diff --git a/programming/language/python3/gonullu/pspec.xml b/programming/language/python3/gonullu/pspec.xml
index bd2d3b23d3..f121548e49 100644
--- a/programming/language/python3/gonullu/pspec.xml
+++ b/programming/language/python3/gonullu/pspec.xml
@@ -41,7 +41,7 @@
 
     <History>
         <Update release="5">
-            <Date>2017-04-21</Date>
+            <Date>2017-04-20</Date>
             <Version>1.1.6</Version>
             <Comment>fixed import error and missing dep.</Comment>
             <Name>Ayhan Yalçınsoy</Name>