diff --git a/doc/guide/build.hpp b/doc/guide/build.hpp
index b9f9913d03..6b999913ec 100644
--- a/doc/guide/build.hpp
+++ b/doc/guide/build.hpp
@@ -23,14 +23,14 @@ href="https://keon.io/mlpack/mlpack-on-windows/">Keon's excellent tutorial</a>.
 
 @section Download latest mlpack build
 Download latest mlpack build from here:
-<a href="http://www.mlpack.org/files/mlpack-2.2.0.tar.gz">mlpack-2.2.0</a>
+<a href="http://www.mlpack.org/files/mlpack-2.2.1.tar.gz">mlpack-2.2.1</a>
 
 @section builddir Creating Build Directory
 
 Once the mlpack source is unpacked, you should create a build directory.
 
 @code
-$ cd mlpack-2.2.0
+$ cd mlpack-2.2.1
 $ mkdir build
 @endcode
 
diff --git a/src/mlpack/core/util/version.hpp b/src/mlpack/core/util/version.hpp
index b3dea0c3a5..a921444257 100644
--- a/src/mlpack/core/util/version.hpp
+++ b/src/mlpack/core/util/version.hpp
@@ -17,13 +17,13 @@
 // The version of mlpack.  If this is a git repository, this will be a version
 // with higher number than the most recent release.
 #define MLPACK_VERSION_MAJOR 2
-#define MLPACK_VERSION_MINOR 0
+#define MLPACK_VERSION_MINOR 2
 #define MLPACK_VERSION_PATCH "x"
 
 // Reverse compatibility; these macros will be removed in future versions of
 // mlpack (3.0.0 and newer)!
 #define __MLPACK_VERSION_MAJOR 2
-#define __MLPACK_VERSION_MINOR 0
+#define __MLPACK_VERSION_MINOR 2
 #define __MLPACK_VERSION_PATCH "x"
 
 // The name of the version (for use by --version).