diff --git a/docs/Dockerfile b/docs/Dockerfile
index 50b8f6682c2..4d24b69c3f0 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:a28ed811514d6c6cf15a4bcf7a2ce21d03fcb5c8cbdc4e1fec8ba179ef58fbb5
+FROM squidfunk/mkdocs-material@sha256:33e28bdae302bc1aa9c6783dd863742416cb1174bae4ad9d7bcc5b2efe685639
 # pip-compile --generate-hashes --output-file=requirements.txt requirements.in
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt