diff --git a/Common/version.props b/Common/version.props
index c1a39b671..edf68538f 100644
--- a/Common/version.props
+++ b/Common/version.props
@@ -1,7 +1,7 @@
 <!-- This file may be overwritten by automation. Only values allowed here are VersionPrefix and VersionSuffix.  -->
 <Project>
   <PropertyGroup>
-    <VersionPrefix>1.5.0</VersionPrefix>
+    <VersionPrefix>1.5.1</VersionPrefix>
     <VersionSuffix></VersionSuffix>
   </PropertyGroup>
 </Project>
diff --git a/Scripts/NuGet/PSharp.nuspec b/Scripts/NuGet/PSharp.nuspec
index 419fd1104..e4c0e0172 100644
--- a/Scripts/NuGet/PSharp.nuspec
+++ b/Scripts/NuGet/PSharp.nuspec
@@ -2,13 +2,13 @@
 <package >
   <metadata>
     <id>Microsoft.PSharp</id>
-    <version>1.5.0</version>
+    <version>1.5.1</version>
     <authors>Microsoft</authors>
     <licenseUrl>https://github.com/p-org/PSharp/blob/master/LICENSE.txt</licenseUrl>
     <projectUrl>https://github.com/p-org/PSharp</projectUrl>
     <requireLicenseAcceptance>true</requireLicenseAcceptance>
     <description>P# is a framework for building highly-reliable asynchronous reactive software.</description>
-    <releaseNotes>This release contains the 1.5.0 version of the P# framework.</releaseNotes>
+    <releaseNotes>This release contains the 1.5.1 version of the P# framework.</releaseNotes>
     <copyright>© Microsoft Corporation. All rights reserved.</copyright>
     <tags>asynchrony event-driven reactive state-machines reliability specifications testing .NET</tags>
   </metadata>
diff --git a/Tools/Visualization/TraceViewer/Properties/AssemblyInfo.cs b/Tools/Visualization/TraceViewer/Properties/AssemblyInfo.cs
index cced08301..0cb3d3b6f 100644
--- a/Tools/Visualization/TraceViewer/Properties/AssemblyInfo.cs
+++ b/Tools/Visualization/TraceViewer/Properties/AssemblyInfo.cs
@@ -52,5 +52,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.5.0.0")]
-[assembly: AssemblyFileVersion("1.5.0.0")]
+[assembly: AssemblyVersion("1.5.1.0")]
+[assembly: AssemblyFileVersion("1.5.1.0")]