diff --git a/eng/Versions.props b/eng/Versions.props
index 48a73f73a64..66d720a00a4 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -41,7 +41,8 @@
     <SystemThreadingTasksExtensionsVersion>4.6.3</SystemThreadingTasksExtensionsVersion>
   </PropertyGroup>
   <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' != 'true'">
-    <MicrosoftIORedistVersion>6.1.0</MicrosoftIORedistVersion>
+    <!-- manually maintained versions -->
+    <MicrosoftIORedistVersion>6.1.3</MicrosoftIORedistVersion>
     <!--
         Modifying the version of System.Memory is very high impact and causes downstream breaks in third-party tooling that uses the MSBuild API.
         As a result, we CONTINUE TO REFERENCE the old versions at build time, so those are the versions that get embedded into MSBuild assemblies.
diff --git a/src/MSBuild/app.amd64.config b/src/MSBuild/app.amd64.config
index 6393b8d80d9..e25329bd0e4 100644
--- a/src/MSBuild/app.amd64.config
+++ b/src/MSBuild/app.amd64.config
@@ -39,8 +39,8 @@
 
         <dependentAssembly>
           <assemblyIdentity name="Microsoft.IO.Redist" culture="neutral" publicKeyToken="cc7b13ffcd2ddd51" />
-          <bindingRedirect oldVersion="0.0.0.0-6.1.0.0" newVersion="6.1.0.0" />
-          <codeBase version="6.1.0.0" href="..\Microsoft.IO.Redist.dll"/>
+          <bindingRedirect oldVersion="0.0.0.0-6.1.3.0" newVersion="6.1.3.0" />
+          <codeBase version="6.1.3.0" href="..\Microsoft.IO.Redist.dll"/>
         </dependentAssembly>
 
         <!-- Redirects for assemblies redistributed by MSBuild (in the .vsix). -->
@@ -167,7 +167,7 @@
         </dependentAssembly>
         <dependentAssembly>
           <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-          <!-- It is unusual to redirect down, but in this case it's ok: 4.0.3.0 forwards
+          <!-- It is unusual to redirect down, but in this case it's ok: 4.0.5.0 forwards
                to 4.0.0.0 in the GAC, so this just removes the need to redistribute a file
                and makes that resolution faster. -->
           <bindingRedirect oldVersion="0.0.0.0-4.0.5.0" newVersion="4.0.0.0" />
diff --git a/src/MSBuild/app.config b/src/MSBuild/app.config
index 52243986175..a76790e062c 100644
--- a/src/MSBuild/app.config
+++ b/src/MSBuild/app.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
   <configuration>
     <configSections>
       <section name="msbuildToolsets" type="Microsoft.Build.Evaluation.ToolsetConfigurationSection, Microsoft.Build, Version=15.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
@@ -41,7 +41,7 @@
         </dependentAssembly>
         <dependentAssembly>
           <assemblyIdentity name="Microsoft.IO.Redist" culture="neutral" publicKeyToken="cc7b13ffcd2ddd51" />
-          <bindingRedirect oldVersion="0.0.0.0-6.1.0.0" newVersion="6.1.0.0" />
+          <bindingRedirect oldVersion="0.0.0.0-6.1.3.0" newVersion="6.1.3.0" />
         </dependentAssembly>
         <dependentAssembly>
           <assemblyIdentity name="Microsoft.NET.StringTools" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
@@ -114,7 +114,7 @@
         </dependentAssembly>
         <dependentAssembly>
           <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
-          <!-- It is unusual to redirect down, but in this case it's ok: 4.0.3.0 forwards
+          <!-- It is unusual to redirect down, but in this case it's ok: 4.0.5.0 forwards
                to 4.0.0.0 in the GAC, so this just removes the need to redistribute a file
                and makes that resolution faster. -->
           <bindingRedirect oldVersion="0.0.0.0-4.0.5.0" newVersion="4.0.0.0" />