diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 7c92a4e9abd61f..c59a247984010b 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -3,12 +3,12 @@ ARG BASE_IMAGE_TYPE=slim
 # --------------------------------------
 # slim image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:2.22.2@sha256:f7453f5009c741f7f321766dc9c3b11cb5fbbf1e60b57210f3a580e7f301781f AS slim-base
+FROM ghcr.io/renovatebot/base-image:2.22.3@sha256:a2be1f18ed315bb12feca12c7b606aa2df587cf38ca59db78e83a9cc5c9763ab AS slim-base
 
 # --------------------------------------
 # full image
 # --------------------------------------
-FROM ghcr.io/renovatebot/base-image:2.22.2-full@sha256:372b1ad3ddb28da317625c8d2a3b685dda2046bb5f193420764bcd8b540ec9a8 AS full-base
+FROM ghcr.io/renovatebot/base-image:2.22.3-full@sha256:c78750d75763eb790f67d77552b1139fa3036d71c33b690527b683827cdc8ae7 AS full-base
 
 # --------------------------------------
 # build image