diff --git a/Dockerfile b/Dockerfile
index c6e9da54..bdba5ec5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Keep in sync with version in frank-runner.properties. Detailed instructions can be found in CONTRIBUTING.md.
 # Check whether java-orig files have changed in F!F and update custom code (java and java-orig files) accordingly
-ARG FF_VERSION=9.4.0-20251218.042336
+ARG FF_VERSION=9.4.1
 FROM docker.io/frankframework/frankframework:${FF_VERSION} AS ff-base
 
 # Copy dependencies
diff --git a/frank-runner.properties b/frank-runner.properties
index 891db429..debee26f 100644
--- a/frank-runner.properties
+++ b/frank-runner.properties
@@ -1,4 +1,4 @@
 classloader.type=ScanningDirectoryClassLoader
 
 # Keep in sync with version in Dockerfile. Detailed instructions can be found in CONTRIBUTING.md. 
-ff.version=9.4.0-20251218.042336
\ No newline at end of file
+ff.version=9.4.1