diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 92549ce8..482bb9c1 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -26,18 +26,20 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python 3.8
-      uses: actions/setup-python@v5
-      with:
-        python-version: 3.8
-
-        # Used by ci_test.sh
-    - name: Install dependencies
-      run: |
-        python setup.py install
-        pip install pytest
-        pip install solc-select
-    - name: Run Tests
-      run: |
-        pytest tests/test_metadata.py
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.8
+          cache: "pip"
+          cache-dependency-path: setup.py
+
+
+      - name: Install dependencies
+        run: |
+            pip install ".[test]"
+            solc-select use latest --always-install
+
+      - name: Run Tests
+        run: |
+          pytest tests
diff --git a/crytic_compile/utils/naming.py b/crytic_compile/utils/naming.py
index 7f5d1398..abf983eb 100644
--- a/crytic_compile/utils/naming.py
+++ b/crytic_compile/utils/naming.py
@@ -188,10 +188,11 @@ def convert_filename(
         short = relative
 
     short = relative_to_short(short)
-
+    # Starting with v0.8.8 (https://github.com/ethereum/solidity/pull/11545), solc normalizes the paths to not include the drive on Windows,
+    # so it's important we use posix path here to avoid issues with the path comparison.
     return Filename(
-        absolute=str(absolute),
+        absolute=absolute.as_posix(),
         relative=relative.as_posix(),
         short=short.as_posix(),
-        used=str(used_filename),
+        used=Path(used_filename).as_posix(),
     )
diff --git a/tests/call_to_variable-all.sol-0.5.8-legacy.zip b/tests/call_to_variable-all.sol-0.5.8-legacy.zip
new file mode 100644
index 00000000..fd360787
Binary files /dev/null and b/tests/call_to_variable-all.sol-0.5.8-legacy.zip differ