diff --git a/pom.xml b/pom.xml
index da03134e37..02272cd074 100644
--- a/pom.xml
+++ b/pom.xml
@@ -571,7 +571,7 @@
RC1
3.1.2
- 9.0
+ 9.0.1
collections
https://svn.apache.org/repos/infra/websites/production/commons/content/proper/commons-collections
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index a74420cb70..ebdac95c74 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -207,6 +207,7 @@
Bump checkstyle from 8.44 to 8.45 #245.
Bump checkstyle from 8.45 to 8.45.1 #246.
Bump checkstyle from 8.45.1 to 9.0 #248.
+ Bump checkstyle from 9.0 to 9.0.1 #257.
Better NPE messages in CollectionUtils with Objects.requireNonNull #117.