diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 024023fd5..c654214e7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -72,9 +72,27 @@ jobs:
         with:
           enable-cache: true
       - name: Install dependencies
-        run: uv sync
+        run: |
+          uv sync \
+            --no-install-package torch \
+            --no-install-package nvidia-cublas-cu12 \
+            --no-install-package nvidia-cuda-cupti-cu12 \
+            --no-install-package nvidia-cuda-nvrtc-cu12 \
+            --no-install-package nvidia-cuda-runtime-cu12 \
+            --no-install-package nvidia-cudnn-cu12 \
+            --no-install-package nvidia-cufft-cu12 \
+            --no-install-package nvidia-cufile-cu12 \
+            --no-install-package nvidia-curand-cu12 \
+            --no-install-package nvidia-cusolver-cu12 \
+            --no-install-package nvidia-cusparse-cu12 \
+            --no-install-package nvidia-cusparselt-cu12 \
+            --no-install-package nvidia-nccl-cu12 \
+            --no-install-package nvidia-nvjitlink-cu12 \
+            --no-install-package nvidia-nvtx-cu12 \
+            --no-install-package triton
+          uv pip install torch==2.8.0 --index-url https://download.pytorch.org/whl/cpu
       - name: Check
-        run: uv run mypy src/unilab
+        run: uv run --no-sync mypy src/unilab
 
   pyright:
     if: github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request'
@@ -90,9 +108,27 @@ jobs:
         with:
           enable-cache: true
       - name: Install dependencies
-        run: uv sync
+        run: |
+          uv sync \
+            --no-install-package torch \
+            --no-install-package nvidia-cublas-cu12 \
+            --no-install-package nvidia-cuda-cupti-cu12 \
+            --no-install-package nvidia-cuda-nvrtc-cu12 \
+            --no-install-package nvidia-cuda-runtime-cu12 \
+            --no-install-package nvidia-cudnn-cu12 \
+            --no-install-package nvidia-cufft-cu12 \
+            --no-install-package nvidia-cufile-cu12 \
+            --no-install-package nvidia-curand-cu12 \
+            --no-install-package nvidia-cusolver-cu12 \
+            --no-install-package nvidia-cusparse-cu12 \
+            --no-install-package nvidia-cusparselt-cu12 \
+            --no-install-package nvidia-nccl-cu12 \
+            --no-install-package nvidia-nvjitlink-cu12 \
+            --no-install-package nvidia-nvtx-cu12 \
+            --no-install-package triton
+          uv pip install torch==2.8.0 --index-url https://download.pytorch.org/whl/cpu
       - name: Check
-        run: uv run pyright
+        run: uv run --no-sync pyright
 
   benchmark-smoke:
     if: github.event_name == 'workflow_dispatch' || github.event_name == 'pull_request'