diff --git a/system/devel/bison/pspec.xml b/system/devel/bison/pspec.xml
index 29393304..79071cfd 100644
--- a/system/devel/bison/pspec.xml
+++ b/system/devel/bison/pspec.xml
@@ -41,13 +41,13 @@
 
     <History>
         <Update release="7">
-            <Date>2020-10-21</Date>
+            <Date>2020-12-09</Date>
             <Version>3.7.3</Version>
             <Comment>Version bump.</Comment>
             <Name>Idris Kalp</Name>
             <Email>idriskalp@gmail.com</Email>
         </Update>
-		<Update release="6">
+        <Update release="6">
             <Date>2019-12-11</Date>
             <Version>3.4.2</Version>
             <Comment>Version bump.</Comment>