diff --git a/toolbx/Dockerfile b/toolbx/Dockerfile
index ba4f240962bd648dde6fc771e940eee8ac27a0d3..662d16f347ff4b9353c6dd0c201b9f6a2b0f5a5e 100644
--- a/toolbx/Dockerfile
+++ b/toolbx/Dockerfile
@@ -23,7 +23,7 @@ RUN rm /etc/apt/apt.conf.d/docker-* && \
     && \
     export GNUPGHOME=/tmp/gnupghome && \
     mkdir --mode=0700 "$GNUPGHOME" && \
-    curl https://dl.k8s.io/apt/doc/apt-key.gpg > \
+    curl https://packages.cloud.google.com/apt/doc/apt-key.gpg > \
     /usr/share/keyrings/google-cloud.gpg && \
     curl https://pgp.mongodb.com/server-5.0.asc | \
     gpg --no-default-keyring --import --batch --keyring /usr/share/keyrings/mongodb.gpg && \