diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 36a6bd7..4b79350 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -38,7 +38,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v5
 
       - name: Install frontend dependencies
         run: pnpm install --frozen-lockfile
@@ -92,7 +92,7 @@ jobs:
           node-version-file: ".nvmrc"
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v5
 
       - name: Install Python test dependencies
         run: uv sync --group test --no-default-groups
@@ -124,7 +124,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v5
 
       - name: Install frontend dependencies
         run: pnpm install --frozen-lockfile
diff --git a/.github/workflows/playground-deploy.yml b/.github/workflows/playground-deploy.yml
index cf4a13f..d5a7289 100644
--- a/.github/workflows/playground-deploy.yml
+++ b/.github/workflows/playground-deploy.yml
@@ -32,7 +32,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
 
       - name: Setup `pnpm`
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v5
 
       - name: Install dependencies
         run: |
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index b4b7357..069f03f 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -34,7 +34,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
 
       - name: Setup `pnpm`
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v5
 
       - name: Build release distributions
         run: |