diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index d118aa793..78cc8d97c 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -12,6 +12,7 @@ on:
     paths:
       - 'docs/**'
       - 'requirements.docs.txt'
+      - 'Dockerfile.docs'
       - 'mkdocs.yml'
       - 'CNAME'
 
diff --git a/.github/workflows/test-build-publish.yml b/.github/workflows/test-build-publish.yml
index adb7345f8..a9c2c9706 100644
--- a/.github/workflows/test-build-publish.yml
+++ b/.github/workflows/test-build-publish.yml
@@ -17,6 +17,7 @@ on:
       - 'requirements.docs.txt'
       - 'mkdocs.yml'
       - 'CNAME'
+      - 'Dockerfile.docs'
 
   release:
     types: [created]
@@ -27,6 +28,7 @@ on:
       - 'requirements.docs.txt'
       - 'mkdocs.yml'
       - 'CNAME'
+      - 'Dockerfile.docs'
 
 jobs:
   lint:
diff --git a/Dockerfile.docs b/Dockerfile.docs
index a15cc9f83..3eca27e27 100644
--- a/Dockerfile.docs
+++ b/Dockerfile.docs
@@ -1,4 +1,4 @@
-FROM squidfunk/mkdocs-material:8.5.10
+FROM squidfunk/mkdocs-material:9.3
 
 COPY requirements.docs.txt /tmp/requirements.docs.txt
 
diff --git a/requirements.docs.txt b/requirements.docs.txt
index 15aa0a92a..45ab2b0fa 100644
--- a/requirements.docs.txt
+++ b/requirements.docs.txt
@@ -1,5 +1,5 @@
-markdown-include==0.7.0
-mkdocs-material-extensions==1.1
-mkdocs-material==8.5.10
-mkdocs==1.4.2
-pymdown-extensions==10.0
\ No newline at end of file
+markdown-include==0.8.1
+mkdocs-material-extensions==1.1.1
+mkdocs-material==9.3.1
+mkdocs==1.5.2
+pymdown-extensions==10.3