diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d2e294b..926f8f0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,11 +35,6 @@ jobs:
           echo "WHEEL_NAME=$(ls *.whl)" >> $GITHUB_ENV
           echo "SDIST_NAME=$(ls *.tar.gz)" >> $GITHUB_ENV
 
-      # - name: test
-      #   run: |
-      #     pip install dist/*.whl pytest
-      #     pytest
-
       - uses: actions/upload-artifact@v4
         with:
           name: ${{ env.WHEEL_NAME }}
@@ -52,6 +47,12 @@ jobs:
           name: ${{ env.SDIST_NAME }}
           path: "dist/*.tar.gz"
 
+      - name: test
+        run: |
+          pip install dist/*.whl pytest
+          pytest
+
+
   upload:
     needs: [build]
     if: startsWith(github.ref, 'refs/tags/')
diff --git a/setup.py b/setup.py
index 889c2ff..a35c069 100644
--- a/setup.py
+++ b/setup.py
@@ -52,6 +52,15 @@ def quote_argument(arg: str) -> str:
 
 class AmalgationLibSQLCipherBuilder(build_ext):
     def build_extension(self, ext):  # noqa  # type: ignore
+        sqlcipher_root = "src/pysqlcipher3/c/sqlcipher"
+        sqlcipher_header = os.path.join(sqlcipher_root, "sqlite3.h")
+        sqlcipher_source = os.path.join(sqlcipher_root, "sqlite3.c")
+        if not os.path.exists(sqlcipher_header) or not os.path.exists(sqlcipher_source):
+            raise RuntimeError("SQLCipher amalgamation not found")
+
+        ext.include_dirs.append(sqlcipher_root)
+        ext.sources.append(sqlcipher_source)
+
         # build with fulltext search enabled
         ext.define_macros.append(("SQLITE_ENABLE_FTS3", "1"))
         ext.define_macros.append(("SQLITE_ENABLE_RTREE", "1"))