diff --git a/multimedia/graphics/libpng/pspec.xml b/multimedia/graphics/libpng/pspec.xml
index 3c42f1b5..f255c5d3 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="c6e06510d30beba08c96c468ab269fafb2bb256f" type="tarxz">mirrors://sourceforge/libpng/libpng-1.6.18.tar.xz</Archive>
+        <Archive sha1sum="978b2f4e007eda56032001493ddb97d20f0ab291" type="tarxz">mirrors://sourceforge/libpng/libpng-1.6.21.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>zlib-devel</Dependency>
         </BuildDependencies>
@@ -66,6 +66,13 @@
     </Package>
 
     <History>
+        <Update release="10">
+            <Date>2016-03-13</Date>
+            <Version>1.6.21</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Ertuğrul Erata</Name>
+            <Email>ertugrulerata@gmail.com</Email>
+        </Update>
         <Update release="9">
             <Date>2015-08-20</Date>
             <Version>1.6.18</Version>
diff --git a/system/boot/os-prober/pspec.xml b/system/boot/os-prober/pspec.xml
index a30dcb36..8c044b96 100644
--- a/system/boot/os-prober/pspec.xml
+++ b/system/boot/os-prober/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>app:console</IsA>
         <Summary>Utility to detect other OSes on a set of drives</Summary>
         <Description>os-probe detects other OSes available on a system and outputs the results in a generic machine-readable format. Support for new OSes and Linux distributions can be added easily.</Description>
-        <Archive sha1sum="63114ccf7d2ed2f7af3db100bf992eac3c8576a8" type="tarxz">http://http.debian.net/debian/pool/main/o/os-prober/os-prober_1.65.tar.xz</Archive>
+        <Archive sha1sum="7d603d603208fe8b065f84da62dcfb6ee965a9eb" type="tarxz">http://http.debian.net/debian/pool/main/o/os-prober/os-prober_1.71.tar.xz</Archive>
     </Source>
     <Package>
         <Name>os-prober</Name>
@@ -25,6 +25,13 @@
         </Files>
     </Package>
     <History>
+        <Update release="6">
+            <Date>2016-03-13</Date>
+            <Version>1.71</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Ertuğrul Erata</Name>
+            <Email>ertugrulerata@gmail.com</Email>
+        </Update>
         <Update release="5">
             <Date>2015-05-03</Date>
             <Version>1.65</Version>