diff --git a/.github/workflows/ci.build.yml b/.github/workflows/ci.build.yml
index 1c76317..f7e7987 100644
--- a/.github/workflows/ci.build.yml
+++ b/.github/workflows/ci.build.yml
@@ -22,6 +22,10 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: install packages
-        run: yarn
+        run: |
+          corepack enable
+          yarn init -2
+          yarn set version stable
+          yarn install
       - name: BUILD
         run: yarn build
diff --git a/.github/workflows/ci.linters.yml b/.github/workflows/ci.linters.yml
index 10cf103..1d8c391 100644
--- a/.github/workflows/ci.linters.yml
+++ b/.github/workflows/ci.linters.yml
@@ -22,6 +22,10 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
       - name: install packages
-        run: yarn
+        run: |
+          corepack enable
+          yarn init -2
+          yarn set version stable
+          yarn install
       - name: BUILD
         run: yarn lint
diff --git a/.yarnrc.yml b/.yarnrc.yml
new file mode 100644
index 0000000..3186f3f
--- /dev/null
+++ b/.yarnrc.yml
@@ -0,0 +1 @@
+nodeLinker: node-modules