diff --git a/CMakeLists.txt b/CMakeLists.txt
index f60142b207274..508ff535ca786 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -119,7 +119,7 @@ if (protobuf_BUILD_SHARED_LIBS)
 endif ()
 
 # Version metadata
-set(protobuf_VERSION_STRING "3.21.4")
+set(protobuf_VERSION_STRING "3.55.0")
 set(protobuf_DESCRIPTION "Protocol Buffers")
 set(protobuf_CONTACT "protobuf@googlegroups.com")
 
diff --git a/Protobuf-C++.podspec b/Protobuf-C++.podspec
index 9fad46b396c71..a6eaffbc20ed9 100644
--- a/Protobuf-C++.podspec
+++ b/Protobuf-C++.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'Protobuf-C++'
-  s.version  = '3.21.10'
+  s.version  = '3.55.0'
   s.summary  = 'Protocol Buffers v3 runtime library for C++.'
   s.homepage = 'https://github.com/google/protobuf'
   s.license  = 'BSD-3-Clause'
diff --git a/Protobuf.podspec b/Protobuf.podspec
index 3188764027dfb..e85fb0947bb3d 100644
--- a/Protobuf.podspec
+++ b/Protobuf.podspec
@@ -5,7 +5,7 @@
 # dependent projects use the :git notation to refer to the library.
 Pod::Spec.new do |s|
   s.name     = 'Protobuf'
-  s.version  = '3.21.10'
+  s.version  = '3.55.0'
   s.summary  = 'Protocol Buffers v.3 runtime library for Objective-C.'
   s.homepage = 'https://github.com/protocolbuffers/protobuf'
   s.license  = 'BSD-3-Clause'
diff --git a/csharp/Google.Protobuf.Tools.nuspec b/csharp/Google.Protobuf.Tools.nuspec
index 9ef830b681d43..c35c9ec8157d3 100644
--- a/csharp/Google.Protobuf.Tools.nuspec
+++ b/csharp/Google.Protobuf.Tools.nuspec
@@ -5,7 +5,7 @@
     <title>Google Protocol Buffers tools</title>
     <summary>Tools for Protocol Buffers - Google's data interchange format.</summary>
     <description>See project site for more info.</description>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
     <authors>Google Inc.</authors>
     <owners>protobuf-packages</owners>
     <licenseUrl>https://github.com/protocolbuffers/protobuf/blob/main/LICENSE</licenseUrl>
diff --git a/csharp/src/Google.Protobuf/Google.Protobuf.csproj b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
index 8a156c39f956f..297919fb42ce4 100644
--- a/csharp/src/Google.Protobuf/Google.Protobuf.csproj
+++ b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
@@ -5,7 +5,7 @@
     <Description>C# runtime library for Protocol Buffers - Google's data interchange format.</Description>
     <Copyright>Copyright 2015, Google Inc.</Copyright>
     <AssemblyTitle>Google Protocol Buffers</AssemblyTitle>
-    <VersionPrefix>3.21.10</VersionPrefix>
+    <VersionPrefix>3.55.0</VersionPrefix>
     <LangVersion>10.0</LangVersion>
     <Authors>Google Inc.</Authors>
     <TargetFrameworks>netstandard1.1;netstandard2.0;net45;net50</TargetFrameworks>
diff --git a/java/README.md b/java/README.md
index 17de94d665416..0b3f8ab4d1038 100644
--- a/java/README.md
+++ b/java/README.md
@@ -23,7 +23,7 @@ If you are using Maven, use the following:
 <dependency>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-java</artifactId>
-  <version>3.21.10</version>
+  <version>3.55.0</version>
 </dependency>
 ```
 
@@ -37,7 +37,7 @@ protobuf-java-util package:
 <dependency>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-java-util</artifactId>
-  <version>3.21.10</version>
+  <version>3.55.0</version>
 </dependency>
 ```
 
@@ -45,7 +45,7 @@ protobuf-java-util package:
 
 If you are using Gradle, add the following to your `build.gradle` file's dependencies:
 ```
-    implementation 'com.google.protobuf:protobuf-java:3.21.10'
+    implementation 'com.google.protobuf:protobuf-java:3.55.0'
 ```
 Again, be sure to check that the version number matches (or is newer than) the version number of protoc that you are using.
 
diff --git a/java/bom/pom.xml b/java/bom/pom.xml
index b3389a8c14c05..6a17de47a0075 100644
--- a/java/bom/pom.xml
+++ b/java/bom/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-bom</artifactId>
-  <version>3.21.10</version>
+  <version>3.55.0</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [BOM]</name>
diff --git a/java/core/pom.xml b/java/core/pom.xml
index d1bd6739974cb..9837700a3c70c 100644
--- a/java/core/pom.xml
+++ b/java/core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
   </parent>
 
   <artifactId>protobuf-java</artifactId>
diff --git a/java/kotlin-lite/pom.xml b/java/kotlin-lite/pom.xml
index c8e2c34ce7f9d..be4890001b5a8 100644
--- a/java/kotlin-lite/pom.xml
+++ b/java/kotlin-lite/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
   </parent>
 
   <artifactId>protobuf-kotlin-lite</artifactId>
diff --git a/java/kotlin/pom.xml b/java/kotlin/pom.xml
index e75d0bfda27b3..d2c5b63d055b5 100644
--- a/java/kotlin/pom.xml
+++ b/java/kotlin/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
   </parent>
 
   <artifactId>protobuf-kotlin</artifactId>
diff --git a/java/lite.md b/java/lite.md
index a10e9595b6a3b..9233d8285acbc 100644
--- a/java/lite.md
+++ b/java/lite.md
@@ -29,7 +29,7 @@ protobuf Java Lite runtime. If you are using Maven, include the following:
 <dependency>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-javalite</artifactId>
-  <version>3.21.10</version>
+  <version>3.55.0</version>
 </dependency>
 ```
 
diff --git a/java/lite/pom.xml b/java/lite/pom.xml
index 26603ec15cbb2..88e05c035c27c 100644
--- a/java/lite/pom.xml
+++ b/java/lite/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
   </parent>
 
   <artifactId>protobuf-javalite</artifactId>
diff --git a/java/pom.xml b/java/pom.xml
index dd292443c5f61..d6a691f9e6027 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-parent</artifactId>
-  <version>3.21.10</version>
+  <version>3.55.0</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [Parent]</name>
diff --git a/java/protoc/pom.xml b/java/protoc/pom.xml
index 9b61b9826a7e5..73e7f3d19c002 100644
--- a/java/protoc/pom.xml
+++ b/java/protoc/pom.xml
@@ -8,7 +8,7 @@
   </parent>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protoc</artifactId>
-  <version>3.21.6</version>
+  <version>3.55.0</version>
   <packaging>pom</packaging>
   <name>Protobuf Compiler</name>
   <description>
diff --git a/java/util/pom.xml b/java/util/pom.xml
index d2baaf474b016..fb4cfd02b044f 100644
--- a/java/util/pom.xml
+++ b/java/util/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
   </parent>
 
   <artifactId>protobuf-java-util</artifactId>
diff --git a/php/ext/google/protobuf/protobuf.h b/php/ext/google/protobuf/protobuf.h
index a47abf625a01e..e662ddd62ecd7 100644
--- a/php/ext/google/protobuf/protobuf.h
+++ b/php/ext/google/protobuf/protobuf.h
@@ -127,7 +127,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_setter, 0, 0, 1)
   ZEND_ARG_INFO(0, value)
 ZEND_END_ARG_INFO()
 
-#define PHP_PROTOBUF_VERSION "3.21.10"
+#define PHP_PROTOBUF_VERSION "3.55.0"
 
 // ptr -> PHP object cache. This is a weak map that caches lazily-created
 // wrapper objects around upb types:
diff --git a/protobuf_version.bzl b/protobuf_version.bzl
index 2ea278cb8d98d..467c9f758b4f3 100644
--- a/protobuf_version.bzl
+++ b/protobuf_version.bzl
@@ -1,4 +1,4 @@
-PROTOC_VERSION = "21.10"
-PROTOBUF_JAVA_VERSION = "3.21.10"
-PROTOBUF_PYTHON_VERSION = "4.21.10"
-PROTOBUF_PHP_VERSION = "3.21.10"
+PROTOC_VERSION = "55.0"
+PROTOBUF_JAVA_VERSION = "3.55.0"
+PROTOBUF_PYTHON_VERSION = "4.55.0"
+PROTOBUF_PHP_VERSION = "3.55.0"
diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
index e0121a4f6c9aa..b0de3d5ee0adf 100644
--- a/python/google/protobuf/__init__.py
+++ b/python/google/protobuf/__init__.py
@@ -30,4 +30,4 @@
 
 # Copyright 2007 Google Inc. All Rights Reserved.
 
-__version__ = '4.21.10'
+__version__ = '4.55.0'
diff --git a/ruby/google-protobuf.gemspec b/ruby/google-protobuf.gemspec
index 73abc8150943f..a07477e66648a 100644
--- a/ruby/google-protobuf.gemspec
+++ b/ruby/google-protobuf.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = "google-protobuf"
-  s.version     = "3.21.10"
+  s.version     = "3.55.0"
   git_tag       = "v#{s.version.to_s.sub('.rc.', '-rc')}" # Converts X.Y.Z.rc.N to vX.Y.Z-rcN, used for the git tag
   s.licenses    = ["BSD-3-Clause"]
   s.summary     = "Protocol Buffers"
diff --git a/ruby/pom.xml b/ruby/pom.xml
index e5ea175f8978a..092ae9dafca3c 100644
--- a/ruby/pom.xml
+++ b/ruby/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.google.protobuf.jruby</groupId>
     <artifactId>protobuf-jruby</artifactId>
-    <version>3.21.10</version>
+    <version>3.55.0</version>
     <name>Protocol Buffer JRuby native extension</name>
     <description>
       Protocol Buffers are a way of encoding structured data in an efficient yet
@@ -76,7 +76,7 @@
         <dependency>
           <groupId>com.google.protobuf</groupId>
           <artifactId>protobuf-java-util</artifactId>
-          <version>3.21.10</version>
+          <version>3.55.0</version>
         </dependency>
         <dependency>
             <groupId>org.jruby</groupId>
diff --git a/src/google/protobuf/any.pb.h b/src/google/protobuf/any.pb.h
index 82f60bef57218..13f4b42c2c985 100644
--- a/src/google/protobuf/any.pb.h
+++ b/src/google/protobuf/any.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/api.pb.h b/src/google/protobuf/api.pb.h
index cfbccf8970161..34390c4d966ec 100644
--- a/src/google/protobuf/api.pb.h
+++ b/src/google/protobuf/api.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/compiler/plugin.pb.h b/src/google/protobuf/compiler/plugin.pb.h
index c4fda8c72f5ae..f4444ad407f2d 100644
--- a/src/google/protobuf/compiler/plugin.pb.h
+++ b/src/google/protobuf/compiler/plugin.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/descriptor.pb.h b/src/google/protobuf/descriptor.pb.h
index 40413f197c4ca..17f740280508e 100644
--- a/src/google/protobuf/descriptor.pb.h
+++ b/src/google/protobuf/descriptor.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/duration.pb.h b/src/google/protobuf/duration.pb.h
index f3cb48be99ceb..258819dd4a83e 100644
--- a/src/google/protobuf/duration.pb.h
+++ b/src/google/protobuf/duration.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/empty.pb.h b/src/google/protobuf/empty.pb.h
index f7f068dba07bc..838fa74ed182b 100644
--- a/src/google/protobuf/empty.pb.h
+++ b/src/google/protobuf/empty.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/field_mask.pb.h b/src/google/protobuf/field_mask.pb.h
index d3617daa07740..98b82810ab2bf 100644
--- a/src/google/protobuf/field_mask.pb.h
+++ b/src/google/protobuf/field_mask.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/port_def.inc b/src/google/protobuf/port_def.inc
index 056161c0f6c08..798cfe25a53eb 100644
--- a/src/google/protobuf/port_def.inc
+++ b/src/google/protobuf/port_def.inc
@@ -217,17 +217,17 @@
 #ifdef PROTOBUF_VERSION
 #error PROTOBUF_VERSION was previously defined
 #endif
-#define PROTOBUF_VERSION 3021010
+#define PROTOBUF_VERSION 3055000
 
 #ifdef PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC
 #error PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC was previously defined
 #endif
-#define PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC 3021000
+#define PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC 3055000
 
 #ifdef PROTOBUF_MIN_PROTOC_VERSION
 #error PROTOBUF_MIN_PROTOC_VERSION was previously defined
 #endif
-#define PROTOBUF_MIN_PROTOC_VERSION 3021000
+#define PROTOBUF_MIN_PROTOC_VERSION 3055000
 
 #ifdef PROTOBUF_VERSION_SUFFIX
 #error PROTOBUF_VERSION_SUFFIX was previously defined
@@ -415,7 +415,7 @@
 
 // The minimum library version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3021000
+#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3055000
 
 #ifdef PROTOBUF_RTTI
 #error PROTOBUF_RTTI was previously defined
diff --git a/src/google/protobuf/source_context.pb.h b/src/google/protobuf/source_context.pb.h
index c1468c8fa0de6..a54cb8fa21ddc 100644
--- a/src/google/protobuf/source_context.pb.h
+++ b/src/google/protobuf/source_context.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/struct.pb.h b/src/google/protobuf/struct.pb.h
index 23e0e87b0e37c..126d5f4f2f44d 100644
--- a/src/google/protobuf/struct.pb.h
+++ b/src/google/protobuf/struct.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h
index e81c24f7c17c6..84aaeeade96f9 100644
--- a/src/google/protobuf/stubs/common.h
+++ b/src/google/protobuf/stubs/common.h
@@ -99,7 +99,7 @@ namespace internal {
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 3021010
+#define GOOGLE_PROTOBUF_VERSION 3055000
 
 // A suffix string for alpha, beta or rc releases. Empty for stable releases.
 #define GOOGLE_PROTOBUF_VERSION_SUFFIX ""
@@ -107,15 +107,15 @@ namespace internal {
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code
 // generator.
-static const int kMinHeaderVersionForLibrary = 3021000;
+static const int kMinHeaderVersionForLibrary = 3055000;
 
 // The minimum protoc version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3021000
+#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3055000
 
 // The minimum header version which works with the current version of
 // protoc.  This constant should only be used in VerifyVersion().
-static const int kMinHeaderVersionForProtoc = 3021000;
+static const int kMinHeaderVersionForProtoc = 3055000;
 
 // Verifies that the headers and libraries are compatible.  Use the macro
 // below to call this.
diff --git a/src/google/protobuf/timestamp.pb.h b/src/google/protobuf/timestamp.pb.h
index 7ddb84cdddd26..2f2edbd1e2f77 100644
--- a/src/google/protobuf/timestamp.pb.h
+++ b/src/google/protobuf/timestamp.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/type.pb.h b/src/google/protobuf/type.pb.h
index 16884afebfc32..9edf2a7663ac2 100644
--- a/src/google/protobuf/type.pb.h
+++ b/src/google/protobuf/type.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/src/google/protobuf/wrappers.pb.h b/src/google/protobuf/wrappers.pb.h
index 4be9b0b20803c..8d905dd111b36 100644
--- a/src/google/protobuf/wrappers.pb.h
+++ b/src/google/protobuf/wrappers.pb.h
@@ -9,13 +9,13 @@
 #include <type_traits>
 
 #include "google/protobuf/port_def.inc"
-#if PROTOBUF_VERSION < 3021000
+#if PROTOBUF_VERSION < 3055000
 #error "This file was generated by a newer version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please update"
 #error "your headers."
 #endif  // PROTOBUF_VERSION
 
-#if 3021010 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3055000 < PROTOBUF_MIN_PROTOC_VERSION
 #error "This file was generated by an older version of protoc which is"
 #error "incompatible with your Protocol Buffer headers. Please"
 #error "regenerate this file with a newer version of protoc."
diff --git a/version.json b/version.json
index 2c356eabb7832..c6308a05d346c 100644
--- a/version.json
+++ b/version.json
@@ -1,17 +1,17 @@
 {
-    "main_qa": {
-        "protoc_version": "56-dev",
+    "55.x_qa": {
+        "protoc_version": "55.0",
         "lts": false,
         "date": "2022-12-05",
         "languages": {
-            "cpp": "3.56-dev",
-            "csharp": "3.56-dev",
-            "java": "3.56-dev",
-            "javascript": "3.56-dev",
-            "objectivec": "3.56-dev",
-            "php": "3.56-dev",
-            "python": "4.56-dev",
-            "ruby": "3.56-dev"
+            "cpp": "3.55.0",
+            "csharp": "3.55.0",
+            "java": "3.55.0",
+            "javascript": "3.55.0",
+            "objectivec": "3.55.0",
+            "php": "3.55.0",
+            "python": "4.55.0",
+            "ruby": "3.55.0"
         }
     }
 }
\ No newline at end of file