diff --git a/Dockerfile b/Dockerfile
index c979a25657349721588d4e674cba26c16f26e342..b320052da596dfe8dcbd8d2e902ab7368d52f75c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker:20:10-dind AS docker_host
+FROM docker:20.10-dind AS docker_host
 FROM debian:trixie
 
 ARG USERNAME=rustbuilder