diff --git a/programming/library/guidelines-support-library/actions.py b/programming/library/guidelines-support-library/actions.py
index e5b1b0abbb..4ff36d509a 100644
--- a/programming/library/guidelines-support-library/actions.py
+++ b/programming/library/guidelines-support-library/actions.py
@@ -4,28 +4,27 @@
 # Licensed under the GNU General Public License, version 3.
 # See the file http://www.gnu.org/licenses/gpl.txt
 
-from pisi.actionsapi import cmaketools, shelltools
-from pisi.actionsapi import pisitools
 from pisi.actionsapi import get
+from pisi.actionsapi import pisitools
+from pisi.actionsapi import cmaketools
+from pisi.actionsapi import shelltools
 
 
 def setup():
     parameters = ' '.join([
-        '-B build',
-        '-DGSL_TEST=OFF',
-        '-DCMAKE_EXE_LINKER_FLAGS="%s"' % get.LDFLAGS(),
-        '-DCMAKE_BUILD_TYPE=Release'
-    ])
+                 '-B build',
+                 '-DGSL_TEST=OFF',
+                 '-DCMAKE_BUILD_TYPE=Release'
+                 '-DCMAKE_EXE_LINKER_FLAGS="%s"' % get.LDFLAGS(),
+                 ])
     cmaketools.configure(parameters)
 
-
 def build():
-    shelltools.cd('build')
+    shelltools.cd("build")
     cmaketools.make()
 
-
 def install():
-    shelltools.cd('build')
+    shelltools.cd("build")
     cmaketools.install()
 
-    pisitools.dodoc('../LICENSE')
+    pisitools.dodoc("../LICENSE", "../README*")
\ No newline at end of file
diff --git a/programming/library/guidelines-support-library/pspec.xml b/programming/library/guidelines-support-library/pspec.xml
index 8e404058d7..35b5c24b99 100644
--- a/programming/library/guidelines-support-library/pspec.xml
+++ b/programming/library/guidelines-support-library/pspec.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE PISI SYSTEM "http://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<!DOCTYPE PISI SYSTEM "https://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
 <PISI>
     <Source>
         <Name>guidelines-support-library</Name>
@@ -8,11 +8,12 @@
             <Name>Safa Arıman</Name>
             <Email>safaariman@pisilinux.org</Email>
         </Packager>
+        <PartOf>programming.library</PartOf>
         <License>MIT</License>
         <IsA>library</IsA>
         <Summary>Microsoft Guidelines Support Library</Summary>
         <Description>The Guideline Support Library (GSL) contains functions and types that are suggested for use by the C++ Core Guidelines maintained by the Standard C++ Foundation. This package contains Microsoft's implementation of GSL.</Description>
-        <Archive sha1sum="37833349b0f0a336eac3b680e79ffd78b50ff5c9" type="targz">https://github.com/microsoft/GSL/archive/v2.1.0.tar.gz</Archive>
+        <Archive sha1sum="3f2891a46595806563e7a0e25bb7ecbb30776445" type="targz">https://github.com/microsoft/GSL/archive/v3.1.0.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>cmake</Dependency>
         </BuildDependencies>
@@ -20,13 +21,22 @@
 
     <Package>
         <Name>guidelines-support-library-devel</Name>
+        <Summary>Development files of Microsoft Guidelines Support Library</Summary>
         <Files>
-            <Path fileType="header">/usr/include</Path>
             <Path fileType="doc">/usr/share/doc</Path>
+            <Path fileType="header">/usr/include</Path>
+            <Path fileType="data">/usr/share/cmake</Path>
         </Files>
     </Package>
 
     <History>
+        <Update release="2">
+            <Date>2020-09-23</Date>
+            <Version>3.1.0</Version>
+            <Comment>Major version bump. Translations fixed.</Comment>
+            <Name>Blue Devil</Name>
+            <Email>bluedevil@sctzine.com</Email>
+        </Update>
         <Update release="1">
             <Date>2020-03-18</Date>
             <Version>2.1.0</Version>
@@ -35,4 +45,4 @@
             <Email>safaariman@pisilinux.org</Email>
         </Update>
     </History>
-</PISI>
+</PISI>
\ No newline at end of file
diff --git a/programming/library/guidelines-support-library/translations.xml b/programming/library/guidelines-support-library/translations.xml
index 147243ef4a..c3f4c5c41a 100644
--- a/programming/library/guidelines-support-library/translations.xml
+++ b/programming/library/guidelines-support-library/translations.xml
@@ -2,7 +2,13 @@
 <PISI>
     <Source>
         <Name>guidelines-support-library</Name>
-        <Summary xml:lang="tr">Microsoft Guidelines Support Library</Summary>
-        <Description xml:lang="tr">The Guideline Support Library (GSL) contains functions and types that are suggested for use by the C++ Core Guidelines maintained by the Standard C++ Foundation. This package contains Microsoft's implementation of GSL.</Description>
+        <Summary xml:lang="tr">Microsoft Kılavuz Destek Kitaplığı</Summary>
+        <Description xml:lang="tr">Kılavuz Destek Kitaplığı (GSL), Standart C++ Vakfı tarafından sürdürülen C++ Çekirdek Kılavuzu tarafından kullanılması için önerilen yordam ve yapıları içerir.</Description>
     </Source>
-</PISI>
+
+    <Package>
+        <Name>guidelines-support-library-devel</Name>
+        <Summary xml:lang="tr">guidelines-support-library için geliştirme dosyaları</Summary>
+        <Description xml:lang="tr">guidelines-support-library-devel, guidelines-support-library için geliştirme dosyalarını içerir.</Description>
+    </Package>
+</PISI>
\ No newline at end of file