diff --git a/README.md b/README.md
index f076453ba..bfb1e3054 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ DryIoc is fast, small, full-featured IoC Container for .NET
     - __DryIoc__ (source code) [![NuGet Badge](https://buildstats.info/nuget/DryIoc)](https://www.nuget.org/packages/DryIoc)
     - __DryIoc.Internal__ (source code with public types made internal) [![NuGet Badge](https://buildstats.info/nuget/DryIoc.Internal)](https://www.nuget.org/packages/DryIoc.Internal)
 
-- [Release Notes](https://github.com/dadhi/DryIoc/releases/tag/v4.7.4) :: [Previous Versions](https://github.com/dadhi/DryIoc/blob/master/docs/DryIoc.Docs/VersionHistory.md)
+- [Release Notes](https://github.com/dadhi/DryIoc/releases/tag/v4.7.5) :: [Previous Versions](https://github.com/dadhi/DryIoc/blob/master/docs/DryIoc.Docs/VersionHistory.md)
 - [Extensions and Companions](Extensions.md)
 - [Documentation][WikiHome]
 - [Contribution guide](CONTRIBUTING.md)
diff --git a/docs/DryIoc.Docs/VersionHistory.md b/docs/DryIoc.Docs/VersionHistory.md
index eeab38303..905c4eb51 100644
--- a/docs/DryIoc.Docs/VersionHistory.md
+++ b/docs/DryIoc.Docs/VersionHistory.md
@@ -1,6 +1,11 @@
 Version History
 ---------------
 
+## v4.7.5 Bug-fix release / 2021-04-04
+
+- #390 NullReferenceException on Unregister
+- fixed the potential issue with the switching back from the SelectLastFactoryRule to the default rule
+
 ## v4.7.4 Bug-fix release / 2021-02-26
 
 - #376 DryIoc.Interpreter seems to mess up the exception call stack
diff --git a/nuspecs/DryIoc.Internal.nuspec b/nuspecs/DryIoc.Internal.nuspec
index 4c5d0b990..eb5136702 100644
--- a/nuspecs/DryIoc.Internal.nuspec
+++ b/nuspecs/DryIoc.Internal.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata minClientVersion="3.3.0">
         <id>DryIoc.Internal</id>
-        <version>4.7.4</version>
+        <version>4.7.5</version>
         <authors>Maksim Volkau</authors>
         <copyright>Copyright © 2013-2021 Maksim Volkau</copyright>
         <projectUrl>https://github.com/dadhi/DryIoc</projectUrl>
@@ -15,6 +15,12 @@
         <releaseNotes>
 <![CDATA[
 
+## v4.7.5 Bug-fix release
+
+- #390 NullReferenceException on Unregister
+- fixed the potential issue with the switching back from the SelectLastFactoryRule to the default rule
+
+
 ## v4.7.4 Bug-fix release
 
 - #376 DryIoc.Interpreter seems to mess up the exception call stack
diff --git a/nuspecs/DryIoc.nuspec b/nuspecs/DryIoc.nuspec
index b5ff7e075..c082e1de9 100644
--- a/nuspecs/DryIoc.nuspec
+++ b/nuspecs/DryIoc.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata minClientVersion="3.3.0">
         <id>DryIoc</id>
-        <version>4.7.4</version>
+        <version>4.7.5</version>
         <authors>Maksim Volkau</authors>
         <copyright>Copyright © 2013-2021 Maksim Volkau</copyright>
         <projectUrl>https://github.com/dadhi/DryIoc</projectUrl>
@@ -15,6 +15,12 @@
         <releaseNotes>
 <![CDATA[
 
+## v4.7.5 Bug-fix release
+
+- #390 NullReferenceException on Unregister
+- fixed the potential issue with the switching back from the SelectLastFactoryRule to the default rule
+
+
 ## v4.7.4 Bug-fix release
 
 - #376 DryIoc.Interpreter seems to mess up the exception call stack
diff --git a/src/DryIoc/DryIoc.csproj b/src/DryIoc/DryIoc.csproj
index 833129cd8..ddfaed46c 100644
--- a/src/DryIoc/DryIoc.csproj
+++ b/src/DryIoc/DryIoc.csproj
@@ -5,7 +5,7 @@
         <TargetFrameworks Condition="'$(NoLegacy)' == 'true'">net45;netstandard1.0;netstandard1.3;netstandard2.0</TargetFrameworks>
 
         <Product>DryIoc</Product>
-        <VersionPrefix>4.7.4</VersionPrefix>
+        <VersionPrefix>4.7.5</VersionPrefix>
         <VersionSuffix></VersionSuffix>
 
         <AssemblyName>$(Product)</AssemblyName>
@@ -18,6 +18,12 @@
         <PackageReleaseNotes>
 <![CDATA[
 
+## v4.7.5 Bug-fix release
+
+- #390 NullReferenceException on Unregister
+- fixed the potential issue with the switching back from the SelectLastFactoryRule to the default rule
+
+
 ## v4.7.4 Bug-fix release
 
 - #376 DryIoc.Interpreter seems to mess up the exception call stack