diff --git a/builds/msvc/version.h b/builds/msvc/version.h
index 146af898..6ff677d8 100644
--- a/builds/msvc/version.h
+++ b/builds/msvc/version.h
@@ -4,10 +4,10 @@
 
 #include "export.h"
 
-#define SODIUM_VERSION_STRING "0.5.0"
+#define SODIUM_VERSION_STRING "0.5.1"
 
 #define SODIUM_LIBRARY_VERSION_MAJOR 5
-#define SODIUM_LIBRARY_VERSION_MINOR 0
+#define SODIUM_LIBRARY_VERSION_MINOR 1
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/configure.ac b/configure.ac
index 3d8b17a9..3a38ac28 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ([2.65])
-AC_INIT([libsodium],[0.5.0],
+AC_INIT([libsodium],[0.5.1],
   [https://github.com/jedisct1/libsodium/issues],
   [libsodium],
   [https://github.com/jedisct1/libsodium])
@@ -16,9 +16,9 @@ ISODATE=`date +%Y-%m-%d`
 AC_SUBST(ISODATE)
 
 SODIUM_LIBRARY_VERSION_MAJOR=5
-SODIUM_LIBRARY_VERSION_MINOR=0
+SODIUM_LIBRARY_VERSION_MINOR=1
 DLL_VERSION=5
-SODIUM_LIBRARY_VERSION=10:0:0
+SODIUM_LIBRARY_VERSION=11:0:1
 #                       | | |
 #                +------+ | +---+
 #                |        |     |
diff --git a/msvc-scripts/process.bat b/msvc-scripts/process.bat
index ee90ed27..ad06856c 100755
--- a/msvc-scripts/process.bat
+++ b/msvc-scripts/process.bat
@@ -1,4 +1,4 @@
-cscript msvc-scripts/rep.vbs //Nologo s/@VERSION@/0.5.0/ < src\libsodium\include\sodium\version.h.in > tmp
+cscript msvc-scripts/rep.vbs //Nologo s/@VERSION@/0.5.1/ < src\libsodium\include\sodium\version.h.in > tmp
 cscript msvc-scripts/rep.vbs //Nologo s/@SODIUM_LIBRARY_VERSION_MAJOR@/5/ < tmp > tmp2
-cscript msvc-scripts/rep.vbs //Nologo s/@SODIUM_LIBRARY_VERSION_MINOR@/5/ < tmp2 > src\libsodium\include\sodium\version.h
+cscript msvc-scripts/rep.vbs //Nologo s/@SODIUM_LIBRARY_VERSION_MINOR@/1/ < tmp2 > src\libsodium\include\sodium\version.h
 del tmp tmp2
diff --git a/packaging/nuget/package.config b/packaging/nuget/package.config
index 012a55f1..65eeca3e 100644
--- a/packaging/nuget/package.config
+++ b/packaging/nuget/package.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- These values are populated into the package.gsl templates by package.bat. -->
 <!-- The target attribute controls path and file name only, id controls package naming. -->
-<package id="libsodium_vc120" target="libsodium" version = "0.5.0.0" pathversion="0_5_0_0" platformtoolset="v120" />
\ No newline at end of file
+<package id="libsodium_vc120" target="libsodium" version = "0.5.1.0" pathversion="0_5_0_0" platformtoolset="v120" />
diff --git a/packaging/nuget/package.nuspec b/packaging/nuget/package.nuspec
index 2af4ffd8..2bba0507 100644
--- a/packaging/nuget/package.nuspec
+++ b/packaging/nuget/package.nuspec
@@ -7,7 +7,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/01/nuspec.xsd">
     <metadata minClientVersion="2.5">
         <id>libsodium_vc120</id>
-        <version>0.5.0.0</version>
+        <version>0.5.1.0</version>
         <title>libsodium_vc120</title>
         <authors>libsodium contributors</authors>
         <owners>Eric Voskuil</owners>