diff --git a/system/base/spidermonkey/pspec.xml b/system/base/spidermonkey/pspec.xml
index 8924fc03..39bc4412 100644
--- a/system/base/spidermonkey/pspec.xml
+++ b/system/base/spidermonkey/pspec.xml
@@ -55,7 +55,7 @@
 
     <History>
         <Update release="4">
-            <Date>2018-07-15</Date>
+            <Date>2018-07-19</Date>
             <Version>17.0.0</Version>
             <Comment>Rebuild</Comment>
             <Name>Ertuğrul Erata</Name>