diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index c86d2352b0..fa64da862f 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -55,7 +55,8 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: 20
-          corepack-enable: true
+      - name: Install pnpm
+        run: corepack install
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
       - name: Lint
diff --git a/readium/navigator/src/main/assets/_scripts/package.json b/readium/navigator/src/main/assets/_scripts/package.json
index 44e280fabb..bcc4932da7 100644
--- a/readium/navigator/src/main/assets/_scripts/package.json
+++ b/readium/navigator/src/main/assets/_scripts/package.json
@@ -29,5 +29,5 @@
     "hash.js": "^1.1.7",
     "string.prototype.matchall": "^4.0.5"
   },
-  "packageManager": "pnpm@8.8.0"
+  "packageManager": "pnpm@8.8.0+sha256.d713a5750e41c3660d1e090608c7f607ad00d1dd5ba9b6552b5f390bf37924e9"
 }