diff --git a/.github/workflows/pythonbuild.yml b/.github/workflows/pythonbuild.yml
index 451c607..b74d292 100644
--- a/.github/workflows/pythonbuild.yml
+++ b/.github/workflows/pythonbuild.yml
@@ -49,7 +49,11 @@ jobs:
         python-version: '3.7'
 
     - name: create tarball
-      run: python3 setup.py sdist
+      run: |
+        python3 setup.py sdist
+        # test whether tarball contains all files required for compiling
+        pip3 install dist/rapidfuzz-*.tar.gz
+        pip3 uninstall rapidfuzz --yes
 
     - name: upload tarball
       uses: actions/upload-artifact@v1
diff --git a/MANIFEST.in b/MANIFEST.in
index afa31b5..439ab09 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,8 @@
 include README.md
 include VERSION
 include LICENSE
-recursive-include cpp/src *.hpp *.txx
-recursive-include cpp/extern/boost *
-recursive-include python/src *.hpp
+
+recursive-include src/rapidfuzz-cpp/src *.hpp *.txx
+recursive-include src/rapidfuzz-cpp/extern/boost *
+recursive-include src/rapidfuzz-cpp/extern/difflib *
+include src/rapidfuzz-cpp/LICENSE
diff --git a/VERSION b/VERSION
index 0a1ffad..8bd6ba8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.7.4
+0.7.5