diff --git a/.gitea/workflows/cpp-tests.yml b/.gitea/workflows/cpp-tests.yml
index 6f3f86a..3ec4b73 100644
--- a/.gitea/workflows/cpp-tests.yml
+++ b/.gitea/workflows/cpp-tests.yml
@@ -27,7 +27,7 @@ jobs:
         run: cmake -S code -B build -DCMAKE_BUILD_TYPE=Release
 
       - name: Build
-        run: cmake --build build --target conformallab_tests -j$(nproc)
+        run: nice -n 19 cmake --build build --target conformallab_tests -j$(nproc)
 
       - name: Run tests
         run: >
@@ -66,6 +66,7 @@ jobs:
     runs-on: eulernest
     container:
       image: git.eulernest.eu/conformallab/ci-cpp:latest
+      options: "--memory=1400m --memory-swap=1400m"
 
     steps:
       - uses: actions/checkout@v4
@@ -74,7 +75,7 @@ jobs:
         run: cmake -S code -B build -DWITH_CGAL_TESTS=ON -DCMAKE_BUILD_TYPE=Release
 
       - name: Build CGAL-Tests
-        run: cmake --build build --target conformallab_cgal_tests -j$(nproc)
+        run: nice -n 19 cmake --build build --target conformallab_cgal_tests -j2
 
       - name: Run CGAL-Tests
         run: >