diff --git a/.gitea/workflows/docs.yaml b/.gitea/workflows/docs.yaml
index 7be8d52..5f95d33 100644
--- a/.gitea/workflows/docs.yaml
+++ b/.gitea/workflows/docs.yaml
@@ -15,10 +15,10 @@ jobs:
       - name: Install software
         run: |
           sudo apt-get update
-          sudo apt-get install -y doxygen make rsync clang-19 clang-tools-19 bear llvm-19
-          sudo ln -sf /usr/bin/clang-19 /usr/bin/clang
-          sudo ln -sf /usr/bin/clang-doc-19 /usr/bin/clang-doc
-          sudo ln -sf /usr/bin/llvm-ar-19 /usr/bin/llvm-ar
+          sudo apt-get install -y doxygen make rsync clang-21 clang-tools-21 bear llvm-21
+          sudo ln -sf /usr/bin/clang-21 /usr/bin/clang
+          sudo ln -sf /usr/bin/clang-doc-21 /usr/bin/clang-doc
+          sudo ln -sf /usr/bin/llvm-ar-21 /usr/bin/llvm-ar
 
       - name: Set up python3
         uses: actions/setup-python@v5