diff --git a/CHANGES.md b/CHANGES.md
index 47f9542dc3..5871c0d822 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -16,7 +16,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Bump default `ktlint` version to latest `0.45.2` -> `0.46.1` ([#1239](https://github.com/diffplug/spotless/issues/1239))
   * Minimum supported version also bumped to `0.46.0` (we have abandoned strong backward compatibility for `ktlint`, from here on out Spotless will only support the most-recent breaking change).
 * Bump default `diktat` version to latest `1.1.0` -> `1.2.1` ([#1246](https://github.com/diffplug/spotless/pull/1246))
-  * Minimum supported version also bumped to `1.2.0` (diktat is based on ktlint and has the same backward compatibility issues).
+  * Minimum supported version also bumped to `1.2.1` (diktat is based on ktlint and has the same backward compatibility issues).
 * Bump default `ktfmt` version to latest `0.37` -> `0.39` ([#1240](https://github.com/diffplug/spotless/pull/1240))
 
 ## [2.26.2] - 2022-06-11
diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index c3be5003da..45c09688a6 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -9,7 +9,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Bump default `ktlint` version to latest `0.45.2` -> `0.46.1` ([#1239](https://github.com/diffplug/spotless/issues/1239))
   * Minimum supported version also bumped to `0.46.0` (we have abandoned strong backward compatibility for `ktlint`, from here on out Spotless will only support the most-recent breaking change).
 * Bump default `diktat` version to latest `1.1.0` -> `1.2.1` ([#1246](https://github.com/diffplug/spotless/pull/1246))
-  * Minimum supported version also bumped to `1.2.0` (diktat is based on ktlint and has the same backward compatibility issues).
+  * Minimum supported version also bumped to `1.2.1` (diktat is based on ktlint and has the same backward compatibility issues).
 * Bump default `ktfmt` version to latest `0.37` -> `0.39` ([#1240](https://github.com/diffplug/spotless/pull/1240))
 
 ## [6.7.2] - 2022-06-11
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index e7165b03d0..25ffe9f9e7 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -9,7 +9,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Bump default `ktlint` version to latest `0.45.2` -> `0.46.1` ([#1239](https://github.com/diffplug/spotless/issues/1239))
   * Minimum supported version also bumped to `0.46.0` (we have abandoned strong backward compatibility for `ktlint`, from here on out Spotless will only support the most-recent breaking change).
 * Bump default `diktat` version to latest `1.1.0` -> `1.2.1` ([#1246](https://github.com/diffplug/spotless/pull/1246))
-  * Minimum supported version also bumped to `1.2.0` (diktat is based on ktlint and has the same backward compatibility issues).
+  * Minimum supported version also bumped to `1.2.1` (diktat is based on ktlint and has the same backward compatibility issues).
 * Bump default `ktfmt` version to latest `0.37` -> `0.39` ([#1240](https://github.com/diffplug/spotless/pull/1240))
 
 ## [2.22.8] - 2022-06-11
diff --git a/testlib/src/test/java/com/diffplug/spotless/kotlin/DiktatStepTest.java b/testlib/src/test/java/com/diffplug/spotless/kotlin/DiktatStepTest.java
index 39f939ddf4..45bf6524f1 100644
--- a/testlib/src/test/java/com/diffplug/spotless/kotlin/DiktatStepTest.java
+++ b/testlib/src/test/java/com/diffplug/spotless/kotlin/DiktatStepTest.java
@@ -75,7 +75,7 @@ void notSupportedVersion() {
 		final IllegalStateException notSupportedException = Assertions.assertThrows(IllegalStateException.class,
 				() -> DiktatStep.create("1.1.0", TestProvisioner.mavenCentral()));
 		Assertions.assertTrue(
-				notSupportedException.getMessage().contains("Minimum required Diktat version is 1.2.0, you tried 1.1.0 which is too old"));
+				notSupportedException.getMessage().contains("Minimum required Diktat version is 1.2.1, you tried 1.1.0 which is too old"));
 
 		Assertions.assertDoesNotThrow(() -> DiktatStep.create("1.2.1", TestProvisioner.mavenCentral()));
 		Assertions.assertDoesNotThrow(() -> DiktatStep.create("2.0.0", TestProvisioner.mavenCentral()));