diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 228d223d..2640827e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -376,7 +376,7 @@ jobs:
       run: git lfs checkout
 
     - name: Install python packages
-      run: sudo pip3 install pycmarkgfm
+      run: sudo pip3 install cmarkgfm
 
     - name: Build manual
       working-directory: ${{github.workspace}}/manual