diff --git a/Dockerfile.debian-bullseye-mkdocs b/Dockerfile.debian-bullseye-mkdocs
index c8278f8baee47250831c2e63aef6119995712787..7843487860186859de5c3f91e7c263488ad6a9e9 100644
--- a/Dockerfile.debian-bullseye-mkdocs
+++ b/Dockerfile.debian-bullseye-mkdocs
@@ -1,4 +1,4 @@
-FROM debian:busllseye
+FROM debian:bullseye
 
 RUN apt-get -qq update && \
     apt-get -qq dist-upgrade && \