diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4af811f97cb..bb093ca3634 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -150,7 +150,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ocaml: ["4.08.1", "5.0.0"]
+        ocaml: ["4.08.1"]
     steps:
       - uses: actions/checkout@main
         with:
diff --git a/extra/github-actions/workflows/main.yml b/extra/github-actions/workflows/main.yml
index 1303f1de05d..a1ffb9c97a7 100644
--- a/extra/github-actions/workflows/main.yml
+++ b/extra/github-actions/workflows/main.yml
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ocaml: ["4.08.1", "5.0.0"]
+        ocaml: ["4.08.1"]
     steps:
       - uses: actions/checkout@main
         with: