diff --git a/json-unit-assertj/pom.xml b/json-unit-assertj/pom.xml
index 8bac5905..3ceb42fd 100644
--- a/json-unit-assertj/pom.xml
+++ b/json-unit-assertj/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-parent</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
 
     <dependencies>
diff --git a/json-unit-core/pom.xml b/json-unit-core/pom.xml
index 7a460a07..68c6e9ae 100644
--- a/json-unit-core/pom.xml
+++ b/json-unit-core/pom.xml
@@ -24,7 +24,7 @@
     <parent>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-parent</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
 
     <dependencies>
diff --git a/json-unit-fluent/pom.xml b/json-unit-fluent/pom.xml
index 00426e6a..0c0e0842 100644
--- a/json-unit-fluent/pom.xml
+++ b/json-unit-fluent/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-parent</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
 
     <properties>
diff --git a/json-unit-json-path/pom.xml b/json-unit-json-path/pom.xml
index d6a45078..402c62da 100644
--- a/json-unit-json-path/pom.xml
+++ b/json-unit-json-path/pom.xml
@@ -10,7 +10,7 @@
     <parent>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-parent</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
 
     <properties>
diff --git a/json-unit-kotest/pom.xml b/json-unit-kotest/pom.xml
index 9e6f633d..106e0478 100644
--- a/json-unit-kotest/pom.xml
+++ b/json-unit-kotest/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-parent</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
 
     <dependencies>
diff --git a/json-unit-spring/pom.xml b/json-unit-spring/pom.xml
index 32aec4ce..61e6b6b4 100644
--- a/json-unit-spring/pom.xml
+++ b/json-unit-spring/pom.xml
@@ -14,7 +14,7 @@
     <parent>
         <groupId>net.javacrumbs.json-unit</groupId>
         <artifactId>json-unit-parent</artifactId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
 
     <dependencies>
diff --git a/json-unit/pom.xml b/json-unit/pom.xml
index b205151b..6e24e26d 100644
--- a/json-unit/pom.xml
+++ b/json-unit/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>net.javacrumbs.json-unit</groupId>
 		<artifactId>json-unit-parent</artifactId>
-		<version>3.5.1-SNAPSHOT</version>
+		<version>4.0.0</version>
 	</parent>
 
 	<properties>
diff --git a/pom.xml b/pom.xml
index e8af5ded..751ad27b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.javacrumbs.json-unit</groupId>
     <artifactId>json-unit-parent</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
     <url>https://github.com/lukas-krecan/JsonUnit</url>
     <properties>
         <jackson2.version>2.18.1</jackson2.version>
@@ -303,6 +303,6 @@
         <connection>scm:git:git@github.com:lukas-krecan/JsonUnit.git</connection>
         <developerConnection>scm:git:git@github.com:lukas-krecan/JsonUnit.git</developerConnection>
         <url>scm:git:git@github.com:lukas-krecan/JsonUnit.git</url>
-      <tag>HEAD</tag>
+      <tag>json-unit-parent-4.0.0</tag>
   </scm>
 </project>
diff --git a/tests/pom.xml b/tests/pom.xml
index cd18416e..e98108fc 100644
--- a/tests/pom.xml
+++ b/tests/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>json-unit-parent</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>tests</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
     <packaging>pom</packaging>
 
     <modules>
diff --git a/tests/test-base/pom.xml b/tests/test-base/pom.xml
index 2400c1a5..2892930d 100644
--- a/tests/test-base/pom.xml
+++ b/tests/test-base/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-base</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-gson/pom.xml b/tests/test-gson/pom.xml
index ee427e72..45b9b429 100644
--- a/tests/test-gson/pom.xml
+++ b/tests/test-gson/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-gson</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-jackson2-config/pom.xml b/tests/test-jackson2-config/pom.xml
index 2f39999a..a7a91f1b 100644
--- a/tests/test-jackson2-config/pom.xml
+++ b/tests/test-jackson2-config/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-jackson2-config</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-jackson2/pom.xml b/tests/test-jackson2/pom.xml
index ffb0d0fd..12fb99f6 100644
--- a/tests/test-jackson2/pom.xml
+++ b/tests/test-jackson2/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-jackson2</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-johnzon/pom.xml b/tests/test-johnzon/pom.xml
index e552ae3f..48c82ee5 100644
--- a/tests/test-johnzon/pom.xml
+++ b/tests/test-johnzon/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-johnzon</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-json-path/pom.xml b/tests/test-json-path/pom.xml
index 73d4f4f1..9ac9e9cc 100644
--- a/tests/test-json-path/pom.xml
+++ b/tests/test-json-path/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-json-path</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-jsonorg/pom.xml b/tests/test-jsonorg/pom.xml
index 469971df..ddeae2b3 100644
--- a/tests/test-jsonorg/pom.xml
+++ b/tests/test-jsonorg/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-jsonorg</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-junit4/pom.xml b/tests/test-junit4/pom.xml
index a2571925..5ea56efb 100644
--- a/tests/test-junit4/pom.xml
+++ b/tests/test-junit4/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-junit4</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-kotlin/pom.xml b/tests/test-kotlin/pom.xml
index 4f5b2d6b..d4182c38 100644
--- a/tests/test-kotlin/pom.xml
+++ b/tests/test-kotlin/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/tests/test-moshi/pom.xml b/tests/test-moshi/pom.xml
index 700a4f55..94d988da 100644
--- a/tests/test-moshi/pom.xml
+++ b/tests/test-moshi/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-moshi</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>
diff --git a/tests/test-no-hamcrest/pom.xml b/tests/test-no-hamcrest/pom.xml
index 75881fab..af68be79 100644
--- a/tests/test-no-hamcrest/pom.xml
+++ b/tests/test-no-hamcrest/pom.xml
@@ -3,12 +3,12 @@
     <parent>
         <artifactId>tests</artifactId>
         <groupId>net.javacrumbs.json-unit</groupId>
-        <version>3.5.1-SNAPSHOT</version>
+        <version>4.0.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>test-no-hamcrest</artifactId>
-    <version>3.5.1-SNAPSHOT</version>
+    <version>4.0.0</version>
 
     <dependencies>
         <dependency>