diff --git a/controller/Dockerfile b/controller/Dockerfile
index 80421e8b..228d7d4f 100644
--- a/controller/Dockerfile
+++ b/controller/Dockerfile
@@ -7,7 +7,7 @@ ARG CI_FLEET_VERSION=dev
 ARG CI_FLEET_COMMIT=unknown
 RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w -X main.version=${CI_FLEET_VERSION} -X main.commitSHA=${CI_FLEET_COMMIT}" -o /out/ci-fleet-controller .
 
-FROM debian:13.1-slim
+FROM debian:13.6-slim
 RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates && rm -rf /var/lib/apt/lists/*
 COPY --from=build /out/ci-fleet-controller /usr/local/bin/ci-fleet-controller
 USER 65532:65532