diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 168e326..fe635b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,6 +17,12 @@ jobs:
           nim-version: ${{matrix.nim}}
           repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Build
-        run: nimble install -y
+        run: nimble install -d -y --verbose 2>&1 | tee nimble-output.log || true
+      - name: Upload nimble log
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: nimble-log-${{ matrix.os }}-${{ matrix.nim }}
+          path: nimble-output.log
       - name: Test
         run: nimble test -y