diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b70ec8a..1853a47 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,36 +2,28 @@ name: PyTest
 
 on:
   push:
-    branches:
-      - main
-      - "*/ci-check"
+    branches: [main]
   pull_request: {}
 
 jobs:
   test:
-    name: PyTest
+    name: PyTest (${{ matrix.os }}, ${{ matrix.python }})
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, windows-latest, ubuntu-latest]
-        python: [3.8, "3.10", 3.11, 3.12]
+        os: [ubuntu-latest]
+        python: ["3.10", "3.11", "3.12"]
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
+    - uses: actions/checkout@v4
+    - uses: actions/checkout@v4
       with:
-        repository: interscript/interscript
-    - name: Run bootstrap script
-      run: ruby bootstrap.rb
-    - name: Use Ruby
-      uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: "3.2"
-    - name: Use Python
-      uses: actions/setup-python@v5
+        repository: interscript/maps
+        path: maps
+    - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
-    - name: Compile maps
-      run: cd python; pip install regex pytest; bash ./build.sh; pip install .
-    - name: PyTest
-      run: cd python; pytest
+    - run: pip install -e ".[dev]"
+    - run: pytest tests/ -v
+      env:
+        INTERSCRIPT_MAPS_PATH: ${{ github.workspace }}/maps/maps
diff --git a/tests/test_engine.py b/tests/test_engine.py
index 90142b4..34f333a 100644
--- a/tests/test_engine.py
+++ b/tests/test_engine.py
@@ -24,7 +24,10 @@
 }
 """
 
-MAPS = Path("/Users/mulgogi/src/interscript/interscript/maps/maps")
+MAPS = Path(__file__).parent.parent.parent / "maps" / "maps"
+import os
+if os.environ.get("INTERSCRIPT_MAPS_PATH"):
+    MAPS = Path(os.environ["INTERSCRIPT_MAPS_PATH"])
 
 
 def _load(name: str) -> Engine: