diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 24f12b4..6f09c7d 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -25,10 +25,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: OCaml 4.14.x
-        uses: ocaml/setup-ocaml@v3
+        uses: ocaml/setup-ocaml@57d9aa353e8d39677b1b9fc39637d48f27fe4a91 # v3
         with:
           ocaml-compiler: 4.14.x
 
@@ -39,13 +39,13 @@ jobs:
         run: opam exec -- dune build @doc
 
       - name: Set-up Pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
         with:
           path: _build/default/_doc/_html
 
       - name: Deploy odoc to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
diff --git a/dkml-c-probe.opam b/dkml-c-probe.opam
index ec040f9..f2c27da 100644
--- a/dkml-c-probe.opam
+++ b/dkml-c-probe.opam
@@ -36,4 +36,4 @@ build: [
 # Please upgrade if there is a patch version for a minor release;
 # the patch generally means there was an important bug fix.
 # Also the latest version is maintained.
-x-maintenance-intent: ["latest" "4.(any).(latest)" "3.(any).(latest)"]
+x-maintenance-intent: ["(latest)" "4.(any).(latest)" "3.(any).(latest)"]
diff --git a/dkml-c-probe.opam.template b/dkml-c-probe.opam.template
index 0b56a44..1461fb4 100644
--- a/dkml-c-probe.opam.template
+++ b/dkml-c-probe.opam.template
@@ -12,4 +12,4 @@ build: [
 # Please upgrade if there is a patch version for a minor release;
 # the patch generally means there was an important bug fix.
 # Also the latest version is maintained.
-x-maintenance-intent: ["latest" "4.(any).(latest)" "3.(any).(latest)"]
+x-maintenance-intent: ["(latest)" "4.(any).(latest)" "3.(any).(latest)"]