diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 000d8a15..38174386 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,6 @@ jobs:
           - macos-latest
         ocaml-compiler:
           - "4.14"
-          - "5.1"
           - "5.2"
     runs-on: ${{ matrix.os }}
     env: