diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 820ada1..7b6b326 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ocamlVersion: [4_14, 5_0, 5_1]
+        ocamlVersion: [4_14, 5_0, 5_1, 5_2]
     steps:
     - uses: actions/checkout@v2
     - uses: cachix/install-nix-action@v17