diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index d1d20cfc..9f1374d5 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,7 @@
+#### 2.1.3 - 2020-05-30
+* RandomAccessLists zip, reduce, map2
+* doc projects netcoreapp3.1 build, thanks Grzegorz Dziadkiewicz 
+
 #### 2.1.2 - 2019-12-24
 * Fix FSharp.Core assembly reference version
 
diff --git a/docs/release-notes.html b/docs/release-notes.html
index 9368b950..45647086 100644
--- a/docs/release-notes.html
+++ b/docs/release-notes.html
@@ -32,6 +32,11 @@ <h3 class="muted"><a href="/FSharpx.Collections/index.html">FSharpx.Collections<
       <div class="row">
         <div class="span9" id="main">
           
+<h4><a name="2-1-3-2020-05-30" class="anchor" href="#2-1-3-2020-05-30">2.1.3 - 2020-05-30</a></h4>
+<ul>
+<li>RandomAccessLists zip, reduce, map2</li>
+<li>doc projects netcoreapp3.1 build, thanks Grzegorz Dziadkiewicz</li>
+</ul>
 <h4><a name="2-1-2-2019-12-24" class="anchor" href="#2-1-2-2019-12-24">2.1.2 - 2019-12-24</a></h4>
 <ul>
 <li>Fix FSharp.Core assembly reference version</li>
diff --git a/src/FSharpx.Collections.Experimental/AssemblyInfo.fs b/src/FSharpx.Collections.Experimental/AssemblyInfo.fs
index df3d2231..ec5dd707 100644
--- a/src/FSharpx.Collections.Experimental/AssemblyInfo.fs
+++ b/src/FSharpx.Collections.Experimental/AssemblyInfo.fs
@@ -8,8 +8,8 @@ open System.Runtime.CompilerServices
 [<assembly: AssemblyDescriptionAttribute("FSharpx.Collections is a collection of datastructures for use with F# and C#.")>]
 [<assembly: InternalsVisibleToAttribute("FSharpx.Collections.Tests")>]
 [<assembly: InternalsVisibleToAttribute("FSharpx.Collections.Experimental.Tests")>]
-[<assembly: AssemblyVersionAttribute("2.1.2")>]
-[<assembly: AssemblyFileVersionAttribute("2.1.2")>]
+[<assembly: AssemblyVersionAttribute("2.1.3")>]
+[<assembly: AssemblyFileVersionAttribute("2.1.3")>]
 [<assembly: AssemblyConfigurationAttribute("Release")>]
 do ()
 
@@ -19,6 +19,6 @@ module internal AssemblyVersionInformation =
     let [<Literal>] AssemblyDescription = "FSharpx.Collections is a collection of datastructures for use with F# and C#."
     let [<Literal>] InternalsVisibleTo = "FSharpx.Collections.Tests"
     let [<Literal>] InternalsVisibleTo_1 = "FSharpx.Collections.Experimental.Tests"
-    let [<Literal>] AssemblyVersion = "2.1.2"
-    let [<Literal>] AssemblyFileVersion = "2.1.2"
+    let [<Literal>] AssemblyVersion = "2.1.3"
+    let [<Literal>] AssemblyFileVersion = "2.1.3"
     let [<Literal>] AssemblyConfiguration = "Release"
diff --git a/src/FSharpx.Collections/AssemblyInfo.fs b/src/FSharpx.Collections/AssemblyInfo.fs
index e76f05a1..e56b0357 100644
--- a/src/FSharpx.Collections/AssemblyInfo.fs
+++ b/src/FSharpx.Collections/AssemblyInfo.fs
@@ -8,8 +8,8 @@ open System.Runtime.CompilerServices
 [<assembly: AssemblyDescriptionAttribute("FSharpx.Collections is a collection of datastructures for use with F# and C#.")>]
 [<assembly: InternalsVisibleToAttribute("FSharpx.Collections.Tests")>]
 [<assembly: InternalsVisibleToAttribute("FSharpx.Collections.Experimental.Tests")>]
-[<assembly: AssemblyVersionAttribute("2.1.2")>]
-[<assembly: AssemblyFileVersionAttribute("2.1.2")>]
+[<assembly: AssemblyVersionAttribute("2.1.3")>]
+[<assembly: AssemblyFileVersionAttribute("2.1.3")>]
 [<assembly: AssemblyConfigurationAttribute("Release")>]
 do ()
 
@@ -19,6 +19,6 @@ module internal AssemblyVersionInformation =
     let [<Literal>] AssemblyDescription = "FSharpx.Collections is a collection of datastructures for use with F# and C#."
     let [<Literal>] InternalsVisibleTo = "FSharpx.Collections.Tests"
     let [<Literal>] InternalsVisibleTo_1 = "FSharpx.Collections.Experimental.Tests"
-    let [<Literal>] AssemblyVersion = "2.1.2"
-    let [<Literal>] AssemblyFileVersion = "2.1.2"
+    let [<Literal>] AssemblyVersion = "2.1.3"
+    let [<Literal>] AssemblyFileVersion = "2.1.3"
     let [<Literal>] AssemblyConfiguration = "Release"