diff --git a/.github/workflows/quick-check.yml b/.github/workflows/quick-check.yml
index c0e98b1..2e8005a 100644
--- a/.github/workflows/quick-check.yml
+++ b/.github/workflows/quick-check.yml
@@ -27,7 +27,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          uv pip install -e ".[dev]"
+          uv pip install --system -e ".[dev]"
 
       - name: Run unit tests only
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 09603d3..5b1e08a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          uv pip install -e ".[dev]"
+          uv pip install --system -e ".[dev]"
 
       - name: Verify package installation
         run: |
@@ -79,7 +79,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          uv pip install -e ".[dev]"
+          uv pip install --system -e ".[dev]"
 
       - name: Run ruff linter
         run: |
@@ -109,7 +109,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          uv pip install -e ".[dev]"
+          uv pip install --system -e ".[dev]"
 
       - name: Verify pytest plugin loaded
         run: |
@@ -139,7 +139,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          uv pip install -e ".[dev]"
+          uv pip install --system -e ".[dev]"
 
       - name: Run doctor command
         run: |