diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6934c3ca..3f3184fc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -126,6 +126,12 @@ jobs:
         with:
           path: tmp/
 
+      - name: Prepare source distribution
+        run: |
+          python3 -m pip install --upgrade setuptools
+          python3 setup.py sdist
+  
+
       - name: Zip releases
         run: |
           mkdir releases
@@ -149,9 +155,7 @@ jobs:
           prerelease: ${{ steps.patch-version.outputs.is_dev }}
 
       - name: Extract artifacts
-        run: |
-          mkdir dist
-          find tmp -type f -name "*.whl" | xargs -I {} mv {} dist
+        run: find tmp -type f -name "*.whl" | xargs -I {} mv {} dist
 
       - name: Publish a Python distribution to PyPI.
         if: github.ref == 'refs/heads/master' && github.repository == 'pytgcalls/ntgcalls'
diff --git a/setup.py b/setup.py
index e84a434a..874bd0d9 100644
--- a/setup.py
+++ b/setup.py
@@ -188,7 +188,6 @@ def run(self):
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: Implementation :: CPython',
-        'Programming Language :: Python :: Implementation :: PyPy',
     ],
     ext_modules=[CMakeExtension("ntgcalls")],
     cmdclass={