diff --git a/_ext/eclipse-groovy/CHANGES.md b/_ext/eclipse-groovy/CHANGES.md
index b26ad7cf95..9210367193 100644
--- a/_ext/eclipse-groovy/CHANGES.md
+++ b/_ext/eclipse-groovy/CHANGES.md
@@ -4,6 +4,9 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 
 ## [Unreleased]
 
+### Fixed
+* Addressed concurrency issue in the Eclipse Groovy formatter ([#877](https://github.com/diffplug/spotless/issues/877))
+
 ## [4.1.0] - 2021-06-05
 ### Added
 * Switch to Groovy-Eclipse release 4.1.0 for Eclipse 4.19 using Groovy 4.0.0 Alpha 2.
diff --git a/plugin-gradle/CHANGES.md b/plugin-gradle/CHANGES.md
index 5e7a2953f0..7ea46abf74 100644
--- a/plugin-gradle/CHANGES.md
+++ b/plugin-gradle/CHANGES.md
@@ -4,6 +4,9 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 
 ## [Unreleased]
 
+### Fixed
+* Addressed concurrency issue in the Eclipse Groovy formatter ([#877](https://github.com/diffplug/spotless/issues/877))
+
 ## [5.13.0] - 2021-06-10
 ### Added
 * Added support for `eclipse-cdt` at `4.19.0`. Note that version requires Java 11 or higher.
diff --git a/plugin-maven/CHANGES.md b/plugin-maven/CHANGES.md
index e30fbd5b37..66343d735d 100644
--- a/plugin-maven/CHANGES.md
+++ b/plugin-maven/CHANGES.md
@@ -4,6 +4,9 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 
 ## [Unreleased]
 
+### Fixed
+* Addressed concurrency issue in the Eclipse Groovy formatter ([#877](https://github.com/diffplug/spotless/issues/877))
+
 ## [2.12.0] - 2021-06-10
 ### Added
 * Added support for `eclipse-cdt` at `4.19.0`. Note that version requires Java 11 or higher.