diff --git a/Dockerfile b/Dockerfile
index 3bd2c32..d2ec8b5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ldez/traefik-certs-dumper:2.7.4
+FROM ldez/traefik-certs-dumper:v2.7.4
 COPY entrypoint.sh /opt/entrypoint.sh
 COPY post-script.sh /opt/post-hook.sh
 ENTRYPOINT /opt/entrypoint.sh