diff --git a/.github/workflows/Build ThunderLibraries on Linux.yml b/.github/workflows/Build ThunderLibraries on Linux.yml
index 92d70d4..b8649ea 100644
--- a/.github/workflows/Build ThunderLibraries on Linux.yml	
+++ b/.github/workflows/Build ThunderLibraries on Linux.yml	
@@ -3,6 +3,10 @@ name: Build ThunderLibraries on Linux
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
 on:
   workflow_dispatch:
   push: