diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 8702adb..7d3cba4 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -13,6 +13,10 @@ jobs:
     env:
       RUSTFLAGS: -D warnings
     steps:
+      - name: Install dependencies
+        if: matrix.platform == 'ubuntu-latest'
+        run: |
+          sudo apt install libgtk-3-dev
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
@@ -39,6 +43,10 @@ jobs:
       fail-fast: false
     runs-on: ${{ matrix.platform }}
     steps:
+      - name: Install dependencies
+        if: matrix.platform == 'ubuntu-latest'
+        run: |
+          sudo apt install libgtk-3-dev
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with: