diff --git a/SerialPortStream-net40.sln b/SerialPortStream-net40.sln
index 37d5e408..468c9c52 100644
--- a/SerialPortStream-net40.sln
+++ b/SerialPortStream-net40.sln
@@ -188,7 +188,7 @@ Global
 		$28.inheritsSet = VisualStudio
 		$28.inheritsScope = text/plain
 		$28.scope = text/plain
-		version = 2.1.0.0
+		version = 2.1.1.0
 	EndGlobalSection
 	GlobalSection(TestCaseManagementSettings) = postSolution
 		CategoryFile = SerialPortStream.vsmdi
diff --git a/SerialPortStream-net45.sln b/SerialPortStream-net45.sln
index e1365449..3bcc78b9 100644
--- a/SerialPortStream-net45.sln
+++ b/SerialPortStream-net45.sln
@@ -188,7 +188,7 @@ Global
 		$28.inheritsSet = VisualStudio
 		$28.inheritsScope = text/plain
 		$28.scope = text/plain
-		version = 2.1.0.0
+		version = 2.1.1.0
 	EndGlobalSection
 	GlobalSection(TestCaseManagementSettings) = postSolution
 		CategoryFile = SerialPortStream.vsmdi
diff --git a/code/Properties/AssemblyInfo.cs b/code/Properties/AssemblyInfo.cs
index 147e14ac..12ab858f 100644
--- a/code/Properties/AssemblyInfo.cs
+++ b/code/Properties/AssemblyInfo.cs
@@ -43,5 +43,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.1.0.0")]
-[assembly: AssemblyFileVersion("2.1.0.0")]
+[assembly: AssemblyVersion("2.1.1.0")]
+[assembly: AssemblyFileVersion("2.1.1.0")]
diff --git a/code/SerialPortStream-net40.csproj b/code/SerialPortStream-net40.csproj
index 2caa9c0e..4a1a50bc 100644
--- a/code/SerialPortStream-net40.csproj
+++ b/code/SerialPortStream-net40.csproj
@@ -11,7 +11,7 @@
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
-    <ReleaseVersion>2.1.0.0</ReleaseVersion>
+    <ReleaseVersion>2.1.1.0</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/code/SerialPortStream-net45.csproj b/code/SerialPortStream-net45.csproj
index cbad4c20..c9c1eb01 100644
--- a/code/SerialPortStream-net45.csproj
+++ b/code/SerialPortStream-net45.csproj
@@ -11,7 +11,7 @@
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
-    <ReleaseVersion>2.1.0.0</ReleaseVersion>
+    <ReleaseVersion>2.1.1.0</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/code/SerialPortStream.nuspec b/code/SerialPortStream.nuspec
index dada8e6f..6a258361 100644
--- a/code/SerialPortStream.nuspec
+++ b/code/SerialPortStream.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>SerialPortStream</id>
-        <version>2.1.0</version>
+        <version>2.1.1</version>
         <title>SerialPortStream</title>
         <authors>Jason Curl</authors>
         <owners>Jason Curl</owners>
diff --git a/code/netstandard/project.json b/code/netstandard/project.json
index d206ad86..0e82515c 100644
--- a/code/netstandard/project.json
+++ b/code/netstandard/project.json
@@ -1,5 +1,5 @@
 {
-    "version": "2.1.0.0",
+    "version": "2.1.1.0",
     "name": "SerialPortStream",
     "title": "SerialPortStream",
     "description": "An independent implementation of System.IO.Ports.SerialPort and SerialStream for better reliability and maintainability.",
diff --git a/test/DatastructuresTest/DatastructuresTest-net40.csproj b/test/DatastructuresTest/DatastructuresTest-net40.csproj
index 7a6ac2d0..597dfa34 100644
--- a/test/DatastructuresTest/DatastructuresTest-net40.csproj
+++ b/test/DatastructuresTest/DatastructuresTest-net40.csproj
@@ -15,7 +15,7 @@
     <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
     <IsCodedUITest>False</IsCodedUITest>
     <TestProjectType>UnitTest</TestProjectType>
-    <ReleaseVersion>2.1.0.0</ReleaseVersion>
+    <ReleaseVersion>2.1.1.0</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/test/DatastructuresTest/DatastructuresTest-net45.csproj b/test/DatastructuresTest/DatastructuresTest-net45.csproj
index 637302b9..640f6621 100644
--- a/test/DatastructuresTest/DatastructuresTest-net45.csproj
+++ b/test/DatastructuresTest/DatastructuresTest-net45.csproj
@@ -15,7 +15,7 @@
     <ReferencePath>$(ProgramFiles)\Common Files\microsoft shared\VSTT\$(VisualStudioVersion)\UITestExtensionPackages</ReferencePath>
     <IsCodedUITest>False</IsCodedUITest>
     <TestProjectType>UnitTest</TestProjectType>
-    <ReleaseVersion>2.1.0.0</ReleaseVersion>
+    <ReleaseVersion>2.1.1.0</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/test/SerialPortStreamTest/SerialPortStreamTest-net40.csproj b/test/SerialPortStreamTest/SerialPortStreamTest-net40.csproj
index b13cd3a0..f727ab02 100644
--- a/test/SerialPortStreamTest/SerialPortStreamTest-net40.csproj
+++ b/test/SerialPortStreamTest/SerialPortStreamTest-net40.csproj
@@ -10,7 +10,7 @@
     <AssemblyName>RJCP.SerialPortStreamTest</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <ReleaseVersion>2.1.0.0</ReleaseVersion>
+    <ReleaseVersion>2.1.1.0</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
diff --git a/test/SerialPortStreamTest/SerialPortStreamTest-net45.csproj b/test/SerialPortStreamTest/SerialPortStreamTest-net45.csproj
index 5bc9a09b..1d568cc1 100644
--- a/test/SerialPortStreamTest/SerialPortStreamTest-net45.csproj
+++ b/test/SerialPortStreamTest/SerialPortStreamTest-net45.csproj
@@ -10,7 +10,7 @@
     <AssemblyName>RJCP.SerialPortStreamTest</AssemblyName>
     <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <ReleaseVersion>2.1.0.0</ReleaseVersion>
+    <ReleaseVersion>2.1.1.0</ReleaseVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>