diff --git a/system/devel/yacc/pspec.xml b/system/devel/yacc/pspec.xml
index 4c9e26dc..8913ed0e 100644
--- a/system/devel/yacc/pspec.xml
+++ b/system/devel/yacc/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>app:console</IsA>
         <Summary>Yacc: Yet Another Compiler-Compiler</Summary>
         <Description>Yacc provides a general tool for describing the input to a computer program. The Yacc user specifies the structures of his input, together with code to be invoked as each such structure is recognized. Yacc turns such a specification into a subroutine that handles the input process</Description>
-        <Archive sha1sum="697ea853533e325f47b6b13401d05e7c97012729" type="targz">ftp://metalab.unc.edu/pub/Linux/devel/compiler-tools/yacc-1.9.1.tar.Z</Archive>
+        <Archive sha1sum="697ea853533e325f47b6b13401d05e7c97012729" type="tarZ">http://ibiblio.org/pub/linux/devel/compiler-tools/yacc-1.9.1.tar.Z</Archive>
         <Patches>
             <Patch>mkstemp.patch</Patch>
             <Patch level="1">skeleton.c.diff</Patch>
@@ -30,6 +30,13 @@
     </Package>
 
     <History>
+        <Update release="4">
+            <Date>2016-03-13</Date>
+            <Version>1.9.1</Version>
+            <Comment>Rebuild, fix source url.</Comment>
+            <Name>Ertuğrul Erata</Name>
+            <Email>ertugrulerata@gmail.com</Email>
+        </Update>
         <Update release="3">
             <Date>2014-05-11</Date>
             <Version>1.9.1</Version>