diff --git a/.github/workflows/wokwi-test.yml b/.github/workflows/wokwi-test.yml
index 153b4fc..9e2f373 100644
--- a/.github/workflows/wokwi-test.yml
+++ b/.github/workflows/wokwi-test.yml
@@ -70,6 +70,23 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Cache pip
+        uses: actions/cache@v4
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+
+      - name: Cache PlatformIO
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.platformio
+          key: ${{ runner.os }}-platformio-${{ hashFiles('**/platformio.ini') }}
+          restore-keys: |
+            ${{ runner.os }}-platformio-
+
       - name: Install PlatformIO
         run: |
           python -m pip install --upgrade pip
@@ -87,6 +104,6 @@ jobs:
         with:
           token: ${{ secrets.WOKWI_CLI_TOKEN }}
           path: ${{ matrix.test.path }}
-          timeout: 10000
+          timeout: 20000
           scenario: ${{ matrix.test.scenario }}
           serial_log_file: serial-${{ matrix.test.name }}.log
diff --git a/wokwi-ili9341/lcd-uno/ili9341.test.yaml b/wokwi-ili9341/lcd-uno/ili9341.test.yaml
index bda0c50..62f3c16 100644
--- a/wokwi-ili9341/lcd-uno/ili9341.test.yaml
+++ b/wokwi-ili9341/lcd-uno/ili9341.test.yaml
@@ -13,3 +13,4 @@ steps:
   - take-screenshot:
       part-id: 'lcd1'
       compare-with: 'screenshots/count-1.png'
+  - delay: 100ms