diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index bb19170..0715471 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,8 +13,11 @@ jobs:
         with:
           node-version: 12
 
+      - name: Install pnpm
+        run: curl -L https://unpkg.com/@pnpm/self-installer | node
+
       - name: Install dependencies
-        run: yarn install
+        run: pnpm i
 
       - name: Run Lint
         uses: icrawl/action-eslint@v1
diff --git a/.github/workflows/tsc.yml b/.github/workflows/tsc.yml
index 6f582a1..54bc7d5 100644
--- a/.github/workflows/tsc.yml
+++ b/.github/workflows/tsc.yml
@@ -13,8 +13,11 @@ jobs:
         with:
           node-version: 12
 
+      - name: Install pnpm
+        run: curl -L https://unpkg.com/@pnpm/self-installer | node
+
       - name: Install dependencies
-        run: yarn install
+        run: pnpm i
 
       - name: Run TSC
         uses: icrawl/action-tsc@v1