diff --git a/.github/workflows/windows_build_test.yml b/.github/workflows/windows_build_test.yml
index 76cfa38f0..2cb50333f 100644
--- a/.github/workflows/windows_build_test.yml
+++ b/.github/workflows/windows_build_test.yml
@@ -64,7 +64,7 @@ jobs:
         shell: bash -l {0}
         run: |
           cd ${HOME_PATH}
-          git clone --depth 1 https://bitbucket.org/fathomteam/moab -b master
+          git clone --depth 1 https://bitbucket.org/fathomteam/moab -b 5.5.1
           mkdir moab_build
           cd moab_build
           cmake ../moab \