diff --git a/.travis.yml b/.travis.yml
index 927140c2..d74df37f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,4 +21,4 @@ before_script:
 script:
 - ./scripts/ci/"$TRAVIS_OS_NAME"/build.bash
 after_script:
-- if [ -n "$TRAVIS_TAG" ]; ./scripts/ci/publish_pypi.bash ; fi
+- ./scripts/ci/publish_pypi.bash
diff --git a/geodiff/src/geodiff.cpp b/geodiff/src/geodiff.cpp
index 4350013f..e5b55d68 100644
--- a/geodiff/src/geodiff.cpp
+++ b/geodiff/src/geodiff.cpp
@@ -23,7 +23,7 @@
 
 const char *GEODIFF_version()
 {
-  return "0.6.2";
+  return "0.6.3";
 }
 
 void _errorLogCallback( void *pArg, int iErrCode, const char *zMsg )
diff --git a/pygeodiff/__about__.py b/pygeodiff/__about__.py
index cbed4464..d40a9eaa 100644
--- a/pygeodiff/__about__.py
+++ b/pygeodiff/__about__.py
@@ -1,7 +1,7 @@
 __title__ = 'PyGeoDiff'
 __description__ = 'Diff tool for geo-spatial data'
 __url__ = 'https://github.com/lutraconsulting/geodiff'
-__version__ = '0.6.2'
+__version__ = '0.6.3'
 __author__ = 'Peter Petrik'
 __author_email__ = 'zilolv@gmail.com'
 __maintainer__ = 'Peter Petrik'
diff --git a/scripts/ci/publish_pypi.bash b/scripts/ci/publish_pypi.bash
index cb527d10..fe21f5e2 100755
--- a/scripts/ci/publish_pypi.bash
+++ b/scripts/ci/publish_pypi.bash
@@ -2,37 +2,43 @@
 
 set -e
 
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-PWD=`pwd`
-
-echo -n "Publishing pygeodiff to $URL"
-cd $DIR/../..
-
-$DIR/clean.bash
-
-# publish sdist
-if [ "$TRAVIS_OS_NAME" == "linux" ]; then
-   python3 setup.py sdist
-   ${PYTHON} -m twine upload dist/pygeodiff*.tar.gz --username "__token__" --password "$PYPI_TOKEN"  --skip-existing
-fi
-
-$DIR/clean.bash
-
-# publish wheels
-if [ "$TRAVIS_OS_NAME" == "linux" ]; then
-   PYTHON=python3
-   PLAT=manylinux2010_x86_64
-   DOCKER_IMAGE=quay.io/pypa/manylinux2010_x86_64
-   docker run --rm -e PLAT=$PLAT -v $DIR/../../:/io $DOCKER_IMAGE /io/scripts/ci/linux/build_wheel.bash
-elif [ "$TRAVIS_OS_NAME" == "windows" ]; then
-   PYTHON=C:/Python38/python.exe
-   $DIR/windows/build_wheel.bash
-else
-   # MacOS
-   PYTHON=python3
-   $DIR/osx/build_wheel.bash
-fi
+if [ -n "$TRAVIS_TAG" ]; then
+
+    DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+    PWD=`pwd`
+
+    echo -n "Publishing pygeodiff to $URL"
+    cd $DIR/../..
+
+    $DIR/clean.bash
+
+    # publish sdist
+    if [ "$TRAVIS_OS_NAME" == "linux" ]; then
+       python3 setup.py sdist
+       ${PYTHON} -m twine upload dist/pygeodiff*.tar.gz --username "__token__" --password "$PYPI_TOKEN"  --skip-existing
+    fi
 
-${PYTHON} -m twine upload  dist/* --username "__token__" --password "$PYPI_TOKEN"  --skip-existing
+    $DIR/clean.bash
 
-cd $PWD
\ No newline at end of file
+    # publish wheels
+    if [ "$TRAVIS_OS_NAME" == "linux" ]; then
+       PYTHON=python3
+       PLAT=manylinux2010_x86_64
+       DOCKER_IMAGE=quay.io/pypa/manylinux2010_x86_64
+       docker run --rm -e PLAT=$PLAT -v $DIR/../../:/io $DOCKER_IMAGE /io/scripts/ci/linux/build_wheel.bash
+    elif [ "$TRAVIS_OS_NAME" == "windows" ]; then
+       PYTHON=C:/Python38/python.exe
+       $DIR/windows/build_wheel.bash
+    else
+       # MacOS
+       PYTHON=python3
+       $DIR/osx/build_wheel.bash
+    fi
+
+    ${PYTHON} -m twine upload  dist/* --username "__token__" --password "$PYPI_TOKEN"  --skip-existing
+
+    cd $PWD
+
+else
+    echo "Skipping deployment, not tagged"
+fi
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 85046461..19e08645 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 #from setuptools import setup
 from skbuild import setup
 
-VERSION = '0.6.2'
+VERSION = '0.6.3'
 
 setup(
     name="pygeodiff",