diff --git a/CHANGES.md b/CHANGES.md
index 17da08f52d..d316c0a268 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -17,9 +17,10 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changes
 * **POTENTIALLY BREAKING** Converted `googleJavaFormat` to a compile-only dependency and drop support for versions < `1.8`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
 * Bump default `cleanthat` version to latest `2.6` -> `2.8`. ([#1589](https://github.com/diffplug/spotless/pull/1589)
-* Bump default `googleJavaFormat` version `1.15.0` -> `1.16.0`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
-* Bump default `flexmark` version `0.62.2` -> `0.64.0`. ([#1302](https://github.com/diffplug/spotless/pull/1302))
 * Bump default `diktat` version `1.2.4.2` -> `1.2.5`. ([#1631](https://github.com/diffplug/spotless/pull/1631))
+* Bump default `flexmark` version `0.62.2` -> `0.64.0`. ([#1302](https://github.com/diffplug/spotless/pull/1302))
+* Bump default `googleJavaFormat` version `1.15.0` -> `1.16.0`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
+* Bump default `scalafmt` version `3.7.1` -> `3.7.3`. ([#1584](https://github.com/diffplug/spotless/pull/1584))
 
 ## [2.37.0] - 2023-03-13
 ### Added
diff --git a/lib/build.gradle b/lib/build.gradle
index 8f0c8b8678..e64bb52084 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -103,7 +103,7 @@ dependencies {
 	compatKtLint0Dot48Dot0CompileAndTestOnly 'com.pinterest.ktlint:ktlint-ruleset-experimental:0.48.0'
 	compatKtLint0Dot48Dot0CompileAndTestOnly 'com.pinterest.ktlint:ktlint-ruleset-standard:0.48.0'
 
-	String VER_SCALAFMT="3.7.1"
+	String VER_SCALAFMT="3.7.3"
 	scalafmtCompileOnly "org.scalameta:scalafmt-core_2.13:$VER_SCALAFMT"
 
 	String VER_DIKTAT = "1.2.5"
diff --git a/lib/src/main/java/com/diffplug/spotless/scala/ScalaFmtStep.java b/lib/src/main/java/com/diffplug/spotless/scala/ScalaFmtStep.java
index 264ca679db..114f4a9f1a 100644
--- a/lib/src/main/java/com/diffplug/spotless/scala/ScalaFmtStep.java
+++ b/lib/src/main/java/com/diffplug/spotless/scala/ScalaFmtStep.java
@@ -34,7 +34,7 @@ public class ScalaFmtStep {
 	// prevent direct instantiation
 	private ScalaFmtStep() {}
 
-	static final String DEFAULT_VERSION = "3.7.1";
+	static final String DEFAULT_VERSION = "3.7.3";
 
 	private static final String DEFAULT_SCALA_MAJOR_VERSION = "2.13";
 	static final String NAME = "scalafmt";
diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index be0a426056..9ce2dbd752 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -22,9 +22,10 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changes
 * **POTENTIALLY BREAKING** Drop support for `googleJavaFormat` versions < `1.8`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
 * Bump default `cleanthat` version to latest `2.6` -> `2.8`. ([#1589](https://github.com/diffplug/spotless/pull/1589)
-* Bump default `googleJavaFormat` version `1.15.0` -> `1.16.0`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
-* Bump default `flexmark` version `0.62.2` -> `0.64.0`. ([#1302](https://github.com/diffplug/spotless/pull/1302))
 * Bump default `diktat` version `1.2.4.2` -> `1.2.5`. ([#1631](https://github.com/diffplug/spotless/pull/1631))
+* Bump default `flexmark` version `0.62.2` -> `0.64.0`. ([#1302](https://github.com/diffplug/spotless/pull/1302))
+* Bump default `googleJavaFormat` version `1.15.0` -> `1.16.0`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
+* Bump default `scalafmt` version `3.7.1` -> `3.7.3`. ([#1584](https://github.com/diffplug/spotless/pull/1584))
 
 ## [6.17.0] - 2023-03-13
 ### Added
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index a29cd7b217..6239d8a48b 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -12,9 +12,10 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 ### Changes
 * **POTENTIALLY BREAKING** Drop support for `googleJavaFormat` versions < `1.8`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
 * Bump default `cleanthat` version to latest `2.6` -> `2.8`. ([#1589](https://github.com/diffplug/spotless/pull/1589)
-* Bump default `googleJavaFormat` version `1.15.0` -> `1.16.0`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
-* Bump default `flexmark` version `0.62.2` -> `0.64.0`. ([#1302](https://github.com/diffplug/spotless/pull/1302))
 * Bump default `diktat` version `1.2.4.2` -> `1.2.5`. ([#1631](https://github.com/diffplug/spotless/pull/1631))
+* Bump default `flexmark` version `0.62.2` -> `0.64.0`. ([#1302](https://github.com/diffplug/spotless/pull/1302))
+* Bump default `googleJavaFormat` version `1.15.0` -> `1.16.0`. ([#1630](https://github.com/diffplug/spotless/pull/1630))
+* Bump default `scalafmt` version `3.7.1` -> `3.7.3`. ([#1584](https://github.com/diffplug/spotless/pull/1584))
 
 ## [2.35.0] - 2023-03-13
 ### Added
diff --git a/testlib/src/main/resources/scala/scalafmt/scalafmt.conf b/testlib/src/main/resources/scala/scalafmt/scalafmt.conf
index f3cfb3a031..edea864af1 100644
--- a/testlib/src/main/resources/scala/scalafmt/scalafmt.conf
+++ b/testlib/src/main/resources/scala/scalafmt/scalafmt.conf
@@ -1,4 +1,4 @@
-version = 3.7.1
+version = 3.7.3
 runner.dialect = scala213
 style = defaultWithAlign # For pretty alignment.
 maxColumn = 20           # For my teensy narrow display