diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7c9c877..bf6030a 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -11,7 +11,7 @@ on:
       - main
 
 env:
-  LFORTRAN_VERSION: 0.30.0
+  LFORTRAN_VERSION: 0.31.0
   MACOSX_DEPLOYMENT_TARGET: 12.0
 
 jobs: