diff --git a/docs/Dockerfile b/docs/Dockerfile
index 112b423839d..19d197e18a4 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:3555052d6cbde1086b166ebacacc43126c6fb0a7b990f324072150725aa63b18
+FROM squidfunk/mkdocs-material@sha256:23b69789b1dd836c53ea25b32f62ef8e1a23366037acd07c90959a219fd1f285
 # pip-compile --generate-hashes --output-file=requirements.txt requirements.in
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt