diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index de5cdf8f655..4bce5d3008e 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       max-parallel: 5
     env: # update this if needed to match a pull request on the RMG-database
-      RMG_DATABASE_BRANCH: main
+      RMG_DATABASE_BRANCH: halogen_training_reactions
     defaults:
       run:
         shell: bash -l {0}