diff --git a/.readthedocs.yml b/.readthedocs.yml
index 3546358553..d50cb90e24 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -5,7 +5,7 @@ mkdocs:
   fail_on_warning: true
 
 build:
-  os: ubuntu-20.04
+  os: ubuntu-24.04
   tools:
     python: "3.13"
 
diff --git a/requirements.txt b/requirements.txt
index 687db7aebe..c03e3d1a35 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 mkdocs==1.6.1
-Pygments==2.19.1
-pymdown-extensions==10.16.1
+Pygments==2.20.0
+pymdown-extensions==10.21.2
 Markdown==3.8.1
 mkdocs-material==9.6.5
 mkdocs-macros-plugin==1.3.7