diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b51cd318e1..a8e34e80ad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -86,7 +86,7 @@ jobs:
           chmod +x _build/install/default/bin/*
 
       - name: Use OCaml ${{matrix.ocaml_compiler}}
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v2.0.10
         with:
           ocaml-compiler: ${{matrix.ocaml_compiler}}
           opam-pin: false