diff --git a/docs/Dockerfile b/docs/Dockerfile
index aea0f721d..b25d661e5 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,5 +1,5 @@
 # v9.1.18
-FROM squidfunk/mkdocs-material@sha256:209b62dd9530163cc5cf9a49853b5bb8570ffb3f3b5fe4eadc1d319bbda5ce2f
+FROM squidfunk/mkdocs-material@sha256:86d21da4f45f16e30774bf911e5b4795da13ce0cd197dbf8d3d059f256b2cc37
 
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt