diff --git a/science/mathematics/cln/pspec.xml b/science/mathematics/cln/pspec.xml
index 5649887878..483f6e319e 100644
--- a/science/mathematics/cln/pspec.xml
+++ b/science/mathematics/cln/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>library</IsA>
         <Summary>A class library (C++) for numbers</Summary>
         <Description>cln is a library for efficient computations with all kinds of numbers in arbitrary precision.</Description>
-        <Archive sha1sum="76f73071236ead72ba5c9ee892f29ca24e557b8c" type="tarbz2">http://www.ginac.de/CLN/cln-1.3.4.tar.bz2</Archive>
+        <Archive sha1sum="144f15a57f4b25ada0f10ff28458de03578f6f16" type="tarbz2">http://www.ginac.de/CLN/cln-1.3.6.tar.bz2</Archive>
         <BuildDependencies>
             <Dependency>gmp-devel</Dependency>
         </BuildDependencies>
@@ -22,7 +22,7 @@
         <Name>cln</Name>
         <RuntimeDependencies>
             <Dependency>gmp</Dependency>
-	    <Dependency>libgcc</Dependency>
+            <Dependency>libgcc</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="executable">/usr/bin</Path>
@@ -47,6 +47,13 @@
     </Package>
 
     <History>
+        <Update release="5">
+            <Date>2020-01-11</Date>
+            <Version>1.3.6</Version>
+            <Comment>Rebuild for new toolchain.</Comment>
+            <Name>Kamil Atlı</Name>
+            <Email>suvari@pisilinux.org</Email>
+        </Update>
         <Update release="4">
             <Date>2018-08-13</Date>
             <Version>1.3.4</Version>
@@ -76,4 +83,4 @@
             <Email>ertugrulerata@gmail.com</Email>
         </Update>
     </History>
-</PISI>
+</PISI>
\ No newline at end of file