diff --git a/demo/demo5.js b/demo/demo5.js
index d266d6459e..1d6a9b3ac4 100644
--- a/demo/demo5.js
+++ b/demo/demo5.js
@@ -9,6 +9,7 @@ const image = doc.createImage("./demo/images/image1.jpeg");
 const image2 = doc.createImage("./demo/images/dog.png");
 const image3 = doc.createImage("./demo/images/cat.jpg");
 const image4 = doc.createImage("./demo/images/parrots.bmp");
+const image5 = doc.createImage("./demo/images/pizza.gif");
 
 var exporter = new docx.LocalPacker(doc);
 exporter.pack('My Document');
diff --git a/demo/images/pizza.gif b/demo/images/pizza.gif
new file mode 100644
index 0000000000..8ea63e5ef4
Binary files /dev/null and b/demo/images/pizza.gif differ
diff --git a/template/[Content_Types].xml b/template/[Content_Types].xml
index 0656137d66..996f6a2bea 100644
--- a/template/[Content_Types].xml
+++ b/template/[Content_Types].xml
@@ -4,6 +4,7 @@
         <Default Extension="jpeg" ContentType="image/jpeg"/>
         <Default Extension="jpg" ContentType="image/jpeg"/>
         <Default Extension="bmp" ContentType="image/bmp"/>
+        <Default Extension="gif" ContentType="image/gif"/>
         <Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml" />
         <Default Extension="xml" ContentType="application/xml" />
         <Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml" />