diff --git a/.github/workflows/opam-build.yml b/.github/workflows/opam-build.yml
index 7a07b400c..59fca827a 100644
--- a/.github/workflows/opam-build.yml
+++ b/.github/workflows/opam-build.yml
@@ -25,7 +25,7 @@ jobs:
           - ubuntu-latest
           # - windows-latest # for some reason windows build is not picking dune 3.5
         ocaml-compiler:
-          - ocaml-base-compiler.5.1.1~rc1
+          - ocaml-base-compiler.5.1.1
 
     runs-on: ${{ matrix.os }}