diff --git a/docs/Dockerfile b/docs/Dockerfile
index 1443b852..c9110b70 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:047452c6641137c9caa3647d050ddb7fa67b59ed48cc67ec3a4995f3d360ab32
+FROM squidfunk/mkdocs-material@sha256:3555052d6cbde1086b166ebacacc43126c6fb0a7b990f324072150725aa63b18
 
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt