diff --git a/prow/images/cla-assistant-external-plugin/Dockerfile b/prow/images/cla-assistant-external-plugin/Dockerfile
index 5b22564a8df2..c855b23ed403 100644
--- a/prow/images/cla-assistant-external-plugin/Dockerfile
+++ b/prow/images/cla-assistant-external-plugin/Dockerfile
@@ -5,7 +5,7 @@
 # docker build -t cla-assistant .
 # NOT MEANT FOR AUTOBUILDS
 
-FROM alpine:3.18.4
+FROM alpine:3.19.0
 
 ARG commit
 ENV IMAGE_COMMIT=$commit