diff --git a/images/git-init/Dockerfile b/images/git-init/Dockerfile
index bff6a398cab..20c6ba00220 100644
--- a/images/git-init/Dockerfile
+++ b/images/git-init/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.14
 
 RUN addgroup -S -g 65532 nonroot && adduser -S -u 65532 nonroot -G nonroot
 
diff --git a/images/pullrequest-init/Dockerfile b/images/pullrequest-init/Dockerfile
index 1614239d8b5..28a07b576dc 100644
--- a/images/pullrequest-init/Dockerfile
+++ b/images/pullrequest-init/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11 as source
+FROM alpine:3.14 as source
 RUN addgroup -S -g 65532 nonroot && adduser -S -u 65532 nonroot -G nonroot
 
 FROM gcr.io/distroless/static:latest