diff --git a/docker/userspacecni/Dockerfile b/docker/userspacecni/Dockerfile
index 298f294a..98933fb0 100644
--- a/docker/userspacecni/Dockerfile
+++ b/docker/userspacecni/Dockerfile
@@ -14,7 +14,7 @@ RUN go mod download \
     && make generate-bin
 #End of builder container
 # Copy build userspace cni bin to a small deployer container
-FROM alpine:3.20@sha256:b89d9c93e9ed3597455c90a0b88a8bbb5cb7188438f70953fede212a0c4394e0
+FROM alpine:3.21@sha256:21dc6063fd678b478f57c0e13f47560d0ea4eeba26dfc947b2a4f81f686b9f45
 RUN mkdir -p /root/userspace-cni-network-plugin/userspace
 COPY --from=builder /root/userspace-cni-network-plugin/userspace/userspace /root/userspace-cni-network-plugin/userspace/userspace
 CMD ["cp", "-rf", "/root/userspace-cni-network-plugin/userspace/userspace", "/opt/cni/bin"]