diff --git a/mkdocs.yml b/mkdocs.yml
index 4413f2e0..35693b3f 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -30,7 +30,7 @@ markdown_extensions:
 # Configuration
 theme:
   name: material
-  logo: img/green_logo.png
+  logo: img/logo3c.png
   favicon: img/green_logo3.png
   language: en
   include_homepage_in_sidebar: true
diff --git a/mkdocs_build/img/logo3c.png b/mkdocs_build/img/logo3c.png
new file mode 100644
index 00000000..c6153c35
Binary files /dev/null and b/mkdocs_build/img/logo3c.png differ
diff --git a/mkdocs_build/requirements.txt b/mkdocs_build/requirements.txt
index bb238ed8..15b0fc8c 100644
--- a/mkdocs_build/requirements.txt
+++ b/mkdocs_build/requirements.txt
@@ -15,7 +15,7 @@ click==8.1.3
 zipp==3.9.0
 ghp-import==2.1.0
 readme-renderer==37.2
-pymdown-extensions==9.6
+pymdown-extensions==9.7
 importlib-metadata==5.0.0
 bleach==5.0.1
 jsmin==3.0.1
@@ -29,8 +29,8 @@ cssselect2==0.7.0
 tinycss2==1.2.1
 defusedxml==0.7.1
 mkdocs==1.4.1
-mkdocs-material==8.5.6
+mkdocs-material==8.5.7
 mkdocs-exclude-search==0.6.4
 mkdocs-simple-hooks==0.1.5
-mkdocs-material-extensions==1.0.3
+mkdocs-material-extensions==1.1
 mkdocs-minify-plugin==0.6.0