diff --git a/x11/library/mesa/pspec.xml b/x11/library/mesa/pspec.xml
index f90e14c4a2..c829b49d52 100644
--- a/x11/library/mesa/pspec.xml
+++ b/x11/library/mesa/pspec.xml
@@ -188,7 +188,7 @@
 
     <History>
         <Update release="8">
-            <Date>2018-07-26</Date>
+            <Date>2018-09-16</Date>
             <Version>17.3.4</Version>
             <Comment>Rebuild</Comment>
             <Name>Mustafa Cinasal</Name>