diff --git a/CHANGES.md b/CHANGES.md
index 78341a8654..0c21870e72 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -17,6 +17,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Bump default `ktfmt` version to latest `0.46` -> `0.47`. ([#2045](https://github.com/diffplug/spotless/pull/2045))
 * Bump default `sortpom` version to latest `3.2.1` -> `3.4.0`. ([#2049](https://github.com/diffplug/spotless/pull/2049))
 * Bump default `shfmt` version to latest `3.7.0` -> `3.8.0`. ([#2050](https://github.com/diffplug/spotless/pull/2050))
+* Bump default `ktlint` version to latest `1.1.1` -> `1.2.1`. ([#2057](https://github.com/diffplug/spotless/pull/2057))
 * Bump default `sortpom` version to latest `3.4.0` -> `3.4.1`. ([#2078](https://github.com/diffplug/spotless/pull/2078))
 ### Removed
 * **BREAKING** Remove `JarState.getMavenCoordinate(String prefix)`. ([#1945](https://github.com/diffplug/spotless/pull/1945))
diff --git a/lib/src/main/java/com/diffplug/spotless/kotlin/KtLintStep.java b/lib/src/main/java/com/diffplug/spotless/kotlin/KtLintStep.java
index f76e7763f4..0df35a0616 100644
--- a/lib/src/main/java/com/diffplug/spotless/kotlin/KtLintStep.java
+++ b/lib/src/main/java/com/diffplug/spotless/kotlin/KtLintStep.java
@@ -37,7 +37,7 @@
 /** Wraps up <a href="https://github.com/pinterest/ktlint">ktlint</a> as a FormatterStep. */
 public class KtLintStep implements RoundedStep {
 	private static final long serialVersionUID = 1L;
-	private static final String DEFAULT_VERSION = "1.1.1";
+	private static final String DEFAULT_VERSION = "1.2.1";
 	private static final String NAME = "ktlint";
 	private static final String MAVEN_COORDINATE_0_DOT = "com.pinterest:ktlint:";
 	private static final String MAVEN_COORDINATE_1_DOT = "com.pinterest.ktlint:ktlint-cli:";
diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index ae0527f939..b53c8bda8e 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -10,6 +10,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Bump default `ktfmt` version to latest `0.46` -> `0.47`. ([#2045](https://github.com/diffplug/spotless/pull/2045))
 * Bump default `sortpom` version to latest `3.2.1` -> `3.4.0`. ([#2049](https://github.com/diffplug/spotless/pull/2049))
 * Bump default `shfmt` version to latest `3.7.0` -> `3.8.0`. ([#2050](https://github.com/diffplug/spotless/pull/2050))
+* Bump default `ktlint` version to latest `1.1.1` -> `1.2.1`. ([#2057](https://github.com/diffplug/spotless/pull/2057))
 * Bump default `sortpom` version to latest `3.4.0` -> `3.4.1`. ([#2078](https://github.com/diffplug/spotless/pull/2078))
 ### Added
 * Respect `.editorconfig` settings for formatting shell via `shfmt` ([#2031](https://github.com/diffplug/spotless/pull/2031))
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index 7de690a145..cfdcddd8c9 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -9,6 +9,7 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Bump default `ktfmt` version to latest `0.46` -> `0.47`. ([#2045](https://github.com/diffplug/spotless/pull/2045))
 * Bump default `sortpom` version to latest `3.2.1` -> `3.4.0`. ([#2049](https://github.com/diffplug/spotless/pull/2049))
 * Bump default `shfmt` version to latest `3.7.0` -> `3.8.0`. ([#2050](https://github.com/diffplug/spotless/pull/2050))
+* Bump default `ktlint` version to latest `1.1.1` -> `1.2.1`. ([#2057](https://github.com/diffplug/spotless/pull/2057))
 * Bump default `sortpom` version to latest `3.4.0` -> `3.4.1`. ([#2078](https://github.com/diffplug/spotless/pull/2078))
 ### Added
 * Respect `.editorconfig` settings for formatting shell via `shfmt` ([#2031](https://github.com/diffplug/spotless/pull/2031))