diff --git a/multimedia/graphics/libpng/pspec.xml b/multimedia/graphics/libpng/pspec.xml
index e7960d0a..f699f853 100644
--- a/multimedia/graphics/libpng/pspec.xml
+++ b/multimedia/graphics/libpng/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>library</IsA>
         <Summary>Portable Network Graphics library</Summary>
         <Description>The Portable Network Graphics (PNG) format was designed to replace the older and simpler GIF format and, to some extent, the much more complex TIFF format. Project's main aim is to concentrate on two major uses: the World Wide Web (WWW) and image-editing.</Description>
-        <Archive sha1sum="978b2f4e007eda56032001493ddb97d20f0ab291" type="tarxz">mirrors://sourceforge/libpng/libpng-1.6.21.tar.xz</Archive>
+        <Archive sha1sum="ff4dceadb15e2c929ad26283118d56f66f4a6cff" type="tarxz">mirrors://sourceforge/libpng/libpng-1.6.28.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>zlib-devel</Dependency>
         </BuildDependencies>
@@ -67,6 +67,13 @@
     </Package>
 
     <History>
+        <Update release="3">
+            <Date>2017-02-01</Date>
+            <Version>1.6.28</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Ertuğrul Erata</Name>
+            <Email>ertugrulerata@gmail.com</Email>
+        </Update>
         <Update release="2">
             <Date>2016-04-27</Date>
             <Version>1.6.21</Version>