diff --git a/source/bounce.css b/source/bounce.css
index 4e6aaf5..5075dac 100644
--- a/source/bounce.css
+++ b/source/bounce.css
@@ -31,5 +31,6 @@
 	-webkit-animation-name: bounce;
 	-moz-animation-name: bounce;
 	-ms-animation-name: bounce;
+	-o-animation-name: bounce;
 	animation-name: bounce;
 }
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