diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index b332d41..085ace5 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install dependencies
-      run: sudo apt-get install -y libeigen3-dev libarpack2-dev libgtest-dev libfmt-dev libcxxopts-dev build-essential python3-dev
+      run: sudo apt-get install -y libeigen3-dev libarpack2-dev libgtest-dev libfmt-dev libcxxopts-dev build-essential python3-dev cython
 
     - name: Configure
       run: cmake -B ${{github.workspace}}/build -DBUILD_TESTS=ON -DCMAKE_BUILD_TYPE=${{matrix.build_type}}