diff --git a/Dockerfile.gitlab-operator-build-base b/Dockerfile.gitlab-operator-build-base
index 5cb2da7..9f12a73 100644
--- a/Dockerfile.gitlab-operator-build-base
+++ b/Dockerfile.gitlab-operator-build-base
@@ -103,6 +103,9 @@ RUN curl --retry 6 -Ls https://github.com/go-task/task/releases/download/v${TASK
     && chmod +x /tmp/task \
     && mv /tmp/task /usr/local/bin/task
 
+# Clean up temporary installation files
+RUN rm -rf /tmp/*
+
 ## Final image
 FROM golang:${GOLANG_VERSION}-alpine${ALPINE_VERSION}
 LABEL maintainer="GitLab Distribution Team" \