diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index c3df9be..4998b59 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -18,6 +18,8 @@ jobs:
         python-version: ["3.9", "3.10", "3.11"]
 
     steps:
+    - name: Install kaitai-struct-compiler
+      run: sudo apt-get install -y kaitai-struct-compiler
     - uses: actions/checkout@v3
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v3