diff --git a/.github/workflows/test.yml b/.github/workflows/test.yaml
similarity index 57%
rename from .github/workflows/test.yml
rename to .github/workflows/test.yaml
index 41c1421..1d96a67 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yaml
@@ -24,19 +24,20 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Get yarn cache directory path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - uses: actions/cache@v3
-        id: yarn-cache
-        env:
-          cache-name: rest-api
+      - name: Install node
+        uses: actions/setup-node@v4
         with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-${{ env.cache-name }}-yarn-${{ hashFiles('yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-${{ env.cache-name }}-yarn-
+          node-version: 18
+
+      - name: Install Yarn
+        run: corepack enable
+
+      # Yarn dependencies cannot be cached until yarn is installed
+      # WORKAROUND: https://github.com/actions/setup-node/issues/531
+      - name: Extract cached dependencies
+        uses: actions/setup-node@v4
+        with:
+          cache: yarn
 
       - name: Install
         run: yarn install
diff --git a/package.json b/package.json
index 36b6249..91e1fc0 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "sqd": "./bin/run.js",
     "bl": "node ./lib/blessed.js",
     "lint": "eslint --fix src/**/*",
-    "test:unit": "NODE_ENV=test jest --bail --testRegex=.unit.spec.ts$",
+    "test:unit": "NODE_ENV=test jest --bail --testRegex=.unit.spec.ts\\$",
     "tsc": "tsc --noEmit",
     "pkg:build": "./bin/pkg-build.sh",
     "pkg:compress": "./bin/pkg-compress.sh",