diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index b75b8ca7..a8832b7a 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20.3
+FROM alpine:3.21.0
 
 COPY --from=node:22.12.0-alpine / /
 COPY --from=rust:1.83.0-alpine / /
diff --git a/Dockerfile b/Dockerfile
index 6821bf0a..93c2da46 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -237,7 +237,7 @@ ENTRYPOINT [ "codacy-coverage" ]
 # required for Renovate to update the base image:
 FROM node:22.12.0-alpine AS node
 
-FROM alpine:3.20.3 AS deploy-base
+FROM alpine:3.21.0 AS deploy-base
 ARG TARGETARCH
 
 # Install standard libraries and copy Node.js binary