diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b40b35bf..f17d6f99 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
         ocaml-compiler:
             - '4.08'
             - '4.14'
-            - '5.0'
+            - '5.1'
             - 'ocaml-variants.5.0.0+options,ocaml-option-bytecode-only'
 
     runs-on: ${{ matrix.os }}