diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index e8126d9..65560e9 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -23,9 +23,13 @@ jobs:
           - {os: ubuntu-latest, ocaml: 4.13.1}
           - {os: ubuntu-latest, ocaml: 4.12.1}
           - {os: ubuntu-latest, ocaml: 4.11.2}
+          - {os: ubuntu-latest, ocaml: 4.10.2, profile: release}
         exclude:
           - {os: windows-latest, ocaml: ocaml-base-compiler.5.0.0~alpha0}
 
+    env:
+      DUNE_PROFILE: ${{ matrix.profile || 'dev' }}
+
     runs-on: ${{ matrix.os }}
 
     steps: