diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2c76144b..6a5b3869 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,7 @@ jobs:
           #- macos-latest
           #- windows-latest
         ocaml-compiler:
-          - 4.12.x
+          - 4.14.x
           - 5.1.x
     runs-on: ${{ matrix.os }}
     steps: