diff --git a/openscad_runner/__init__.py b/openscad_runner/__init__.py
index da779b3..8e2700b 100755
--- a/openscad_runner/__init__.py
+++ b/openscad_runner/__init__.py
@@ -8,6 +8,7 @@
 
 from enum import Enum
 from PIL import Image, ImageChops
+import pygifsicle
 
 
 class RenderMode(Enum):
@@ -259,6 +260,7 @@ def run(self):
                 )
                 for imgfile in imgfiles:
                     os.unlink(imgfile)
+                pygifsicle.optimize(self.outfile)
             elif self.antialias != 1.0:
                 im = Image.open(self.outfile)
                 im.thumbnail(self.imgsize, Image.ANTIALIAS)
diff --git a/setup.py b/setup.py
index cde70f4..bab4faa 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 from setuptools import setup
 
-VERSION = "1.0.0"
+VERSION = "1.0.2"
 
 
 with open('README.rst') as f:
@@ -19,7 +19,7 @@
     author='Revar Desmera',
     author_email='revarbat@gmail.com',
     url='https://github.com/revarbat/openscad_runner',
-    download_url='https://github.com/revarbat/openscad_runner/archive/master.zip',
+    download_url='https://github.com/revarbat/openscad_runner/archive/v1.0.2.zip',
     packages=['openscad_runner'],
     license='MIT License',
     classifiers=[
@@ -41,7 +41,8 @@
     keywords='openscad interface',
     install_requires=[
         'setuptools',
-        'Pillow>=7.2.0'
+        'Pillow>=7.2.0',
+        'pygifsicle>=1.0.2'
     ],
     data_files=data_files,
 )