diff --git a/Dockerfile.mkdocs b/Dockerfile.mkdocs
index 76f77a24..58cf883e 100644
--- a/Dockerfile.mkdocs
+++ b/Dockerfile.mkdocs
@@ -1,3 +1,3 @@
-FROM squidfunk/mkdocs-material:9.5.33
+FROM squidfunk/mkdocs-material:9.5.40
 COPY docs/requirements.txt .
 RUN pip install -r requirements.txt