diff --git a/.travis.yml b/.travis.yml
index 9ee3c6c..443f7c4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -73,7 +73,7 @@ jobs:
       install: skip
       script: python3 setup.py sdist --formats=gztar
       env:
-        - ACTION=cibuildwheel
+        - ACTION=cibuildwheel-source
     - stage: deploy
       name: Build and deploy Linux wheels
       services: docker
diff --git a/setup.py b/setup.py
index d20172f..33bfaee 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@ def doit():
         long_description = f.read()
 
     setup(name="guppy3",
-          version="3.0.10",
+          version="3.0.10.post1",
           description="Guppy 3 -- Guppy-PE ported to Python 3",
           long_description=long_description,
           long_description_content_type='text/markdown',
diff --git a/travis.sh b/travis.sh
index 8517fff..67ec390 100755
--- a/travis.sh
+++ b/travis.sh
@@ -85,6 +85,18 @@ cpychecker)
     esac
     ;;
 
+cibuildwheel-source)
+    case "$1" in
+    install)
+        ;;
+    script)
+        ;;
+    after_success)
+        pip install twine
+        TWINE_USERNAME=__token__ twine upload --skip-existing dist/*.tar.gz
+        ;;
+    esac
+    ;;
 cibuildwheel)
     case "$1" in
     install)