diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4046597..69bad36 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,7 @@ jobs:
         docker run -di --rm --name emscripten emscripten/emsdk:3.1.49 bash
         docker cp ${{ github.workspace }}/. emscripten:/src
         docker exec emscripten emcc -v
+        docker exec emscripten apt-get install -y libglpk-dev libgmp-dev libarpack2-dev
         docker exec emscripten cp /src/tools/IGRAPH_VERSION /src/vendor/igraph
         docker exec emscripten mkdir build
         docker exec -w /src/build emscripten emcmake cmake .. -DCMAKE_BUILD_TYPE=Release