diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38ecdb75..53c472f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,16 +24,11 @@ jobs:
           nvm install --default ${{ matrix.node-version }}
           dirname "$(nvm which ${{ matrix.node-version }})" >> "$GITHUB_PATH"
 
-      - name: Configure npm
-        run: |
-          if [[ "$(npm config get package-lock)" == "true" ]]; then
-            npm config set package-lock false
-          else
-            npm config set shrinkwrap false
-          fi
+      - name: Install Pnpm
+        run: npm i -g corepack@latest --force && corepack enable
 
       - name: Install Node.js dependencies
-        run: npm i pnpm -g && pnpm install
+        run: pnpm install --frozen-lockfile
 
       - name: Run tests
         run: pnpm run build && pnpm run test
diff --git a/package.json b/package.json
index 24d450b0..dbf18db2 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
     "supertest": "6.3.4",
     "typescript": "6.0.3"
   },
+  "packageManager": "pnpm@10.33.4",
   "engines": {
     "node": "^20.19.0 || >=22.12.0"
   }
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
new file mode 100644
index 00000000..10ed64a5
--- /dev/null
+++ b/pnpm-workspace.yaml
@@ -0,0 +1,2 @@
+allowBuilds:
+  core-js: false