diff --git a/source/bounceIn.css b/source/bounceIn.css
index 16429d1..d5f6c7b 100644
--- a/source/bounceIn.css
+++ b/source/bounceIn.css
@@ -102,5 +102,6 @@
 	-webkit-animation-name: bounceIn;
 	-moz-animation-name: bounceIn;
 	-ms-animation-name: bounceIn;
+	-o-animation-name: bounceIn;
 	animation-name: bounceIn;
 }
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