diff --git a/docker/Dockerfile b/docker/Dockerfile
index 60d40a6b..a63ac402 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -20,4 +20,7 @@ RUN groupadd -g 1000 stackable && adduser -u 1000 -g stackable -c 'Stackable Ope
 
 USER 1000:1000
 
+# Mitigate CVE-2021-44228 (Log4Shell)
+ENV LOG4J_FORMAT_MSG_NO_LOOKUPS=true
+
 ENTRYPOINT ["/stackable-kafka-operator"]