diff --git a/x11/library/mesa/pspec.xml b/x11/library/mesa/pspec.xml
index 4a1d2319c8..a8faa1dfb5 100644
--- a/x11/library/mesa/pspec.xml
+++ b/x11/library/mesa/pspec.xml
@@ -13,7 +13,7 @@
         <IsA>app:console</IsA>
         <Summary>Mesa graphics libraries and utilities</Summary>
         <Description>Mesa is an open-source implementation of the OpenGL specification - a system for rendering interactive 3D graphics.</Description>
-        <Archive sha1sum="bb9be653a26d89f3b6c4c00c64f4a5896d9d7f38" type="tarxz">https://mesa.freedesktop.org/archive/mesa-17.3.4.tar.xz</Archive>
+        <Archive sha1sum="8d4daf725f20404f980b981c9693b58756ba6c48" type="tarxz">https://mesa.freedesktop.org/archive/mesa-18.1.6.tar.xz</Archive>
         <BuildDependencies>
             <Dependency>zlib-devel</Dependency>
             <Dependency>xorg-proto</Dependency>
@@ -40,6 +40,7 @@
             <Dependency versionFrom="5.0.1">llvm-clang-devel</Dependency>
             <Dependency versionFrom="1.2">libxshmfence-devel</Dependency>
             <Dependency>automake</Dependency>
+            <Dependency>libunwind-devel</Dependency>
             <Dependency>wayland-protocols-devel</Dependency>
         </BuildDependencies>
         <Patches>
@@ -78,6 +79,7 @@
             <Dependency>wayland-server</Dependency>
             <Dependency>libomxil-bellagio</Dependency>
             <Dependency>nettle</Dependency>
+            <Dependency>libunwind</Dependency>
             <Dependency versionFrom="1.2">libxshmfence</Dependency>
             <Dependency versionFrom="5.0.1">llvm</Dependency>
             <Dependency versionFrom="5.0.1">llvm-clang</Dependency>
@@ -150,6 +152,7 @@
             <Dependency>libdrm-nouveau-32bit</Dependency>
             <Dependency>libxshmfence-32bit</Dependency>
             <Dependency>nettle-32bit</Dependency>
+            <Dependency>libunwind-32bit</Dependency>
             <Dependency versionFrom="5.0.1">llvm-32bit</Dependency>
         </BuildDependencies>
         <RuntimeDependencies>
@@ -175,6 +178,7 @@
             <Dependency>libdrm-amd-32bit</Dependency>
             <Dependency>libdrm-nouveau-32bit</Dependency>
             <Dependency>wayland-32bit</Dependency>
+            <Dependency>libunwind-32bit</Dependency>
             <Dependency release="current">mesa</Dependency>
             <Dependency versionFrom="5.0.1">llvm-32bit</Dependency>
         </RuntimeDependencies>
@@ -187,6 +191,13 @@
     </Package>
 
     <History>
+        <Update release="10">
+            <Date>2018-11-05</Date>
+            <Version>18.1.6</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Mustafa Cinasal</Name>
+            <Email>muscnsl@gmail.com</Email>
+        </Update>
         <Update release="9">
             <Date>2018-10-29</Date>
             <Version>17.3.4</Version>