diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5565b7f..16e529d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
         node-version:
           - 18.x
         ocaml-compiler:
-          - 4.14.x
+          - 5.1.x
 
     runs-on: ${{ matrix.system }}