diff --git a/docs/Dockerfile b/docs/Dockerfile
index 1443b852..34b92693 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:047452c6641137c9caa3647d050ddb7fa67b59ed48cc67ec3a4995f3d360ab32
+FROM squidfunk/mkdocs-material@sha256:23b69789b1dd836c53ea25b32f62ef8e1a23366037acd07c90959a219fd1f285
 
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt