diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7880cdb..59e96c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -197,8 +197,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -224,8 +222,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -254,8 +250,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -294,8 +288,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
@@ -345,8 +337,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install Playwright
         run: npx playwright install --with-deps chromium
diff --git a/.github/workflows/cross-browser-baselines.yml b/.github/workflows/cross-browser-baselines.yml
index 47db60f..1b89d79 100644
--- a/.github/workflows/cross-browser-baselines.yml
+++ b/.github/workflows/cross-browser-baselines.yml
@@ -72,8 +72,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Check for cross-browser baselines
         id: baselines
@@ -190,8 +188,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Mark workspace safe for git in-container
         run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
@@ -280,8 +276,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Mark workspace safe for git in-container
         run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index 6355bf7..4b7ea24 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -34,8 +34,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1353397..403431c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -34,8 +34,6 @@ jobs:
 
       - name: Install pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 9
 
       - name: Install dependencies
         run: pnpm install --frozen-lockfile
diff --git a/package.json b/package.json
index 1344e9f..81a661f 100644
--- a/package.json
+++ b/package.json
@@ -51,5 +51,6 @@
     "overrides": {
       "qs": "^6.15.2"
     }
-  }
+  },
+  "packageManager": "pnpm@10.34.5"
 }