diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d5d858a17d3..e4941e8e0ac 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -335,6 +335,7 @@ jobs:
         run: echo "branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_OUTPUT
 
       - name: Build xmldoc
+        if: matrix.ocaml == '4.08.1'
         run: |
           set -ex
           make -s xmldoc
diff --git a/extra/github-actions/workflows/main.yml b/extra/github-actions/workflows/main.yml
index 5dbff676142..4b2825ccb37 100644
--- a/extra/github-actions/workflows/main.yml
+++ b/extra/github-actions/workflows/main.yml
@@ -117,6 +117,7 @@ jobs:
         run: echo "branch=${GITHUB_REF#refs/heads/}" >> $GITHUB_OUTPUT
 
       - name: Build xmldoc
+        if: matrix.ocaml == '4.08.1'
         run: |
           set -ex
           make -s xmldoc