diff --git a/integrationtests/Paket.IntegrationTests/UpdatePackageSpecs.fs b/integrationtests/Paket.IntegrationTests/UpdatePackageSpecs.fs
index 82bd89dbe2..1de795d6f9 100644
--- a/integrationtests/Paket.IntegrationTests/UpdatePackageSpecs.fs
+++ b/integrationtests/Paket.IntegrationTests/UpdatePackageSpecs.fs
@@ -10,6 +10,17 @@ open System.Diagnostics
 open Paket
 open Paket.Domain
 
+[<Test>]
+let ``#1178 update specific package``() =
+    paket "update nuget NUnit" "i001178-update-with-regex" |> ignore
+    let lockFile = LockFile.LoadFrom(Path.Combine(scenarioTempPath "i001178-update-with-regex","paket.lock"))
+    lockFile.Groups.[Constants.MainDependencyGroup].Resolution.[PackageName "Castle.Windsor"].Version
+    |> shouldEqual (SemVer.Parse "2.5.1")
+    lockFile.Groups.[Constants.MainDependencyGroup].Resolution.[PackageName "NUnit"].Version
+    |> shouldBeGreaterThan (SemVer.Parse "2.6.1")
+    lockFile.Groups.[Constants.MainDependencyGroup].Resolution.[PackageName "Microsoft.AspNet.WebApi.SelfHost"].Version
+    |> shouldEqual (SemVer.Parse "5.0.1")
+
 [<Test>]
 let ``#1178 update with Mircosoft.* filter``() =
     paket "update nuget Microsoft.* --filter" "i001178-update-with-regex" |> ignore
@@ -30,4 +41,12 @@ let ``#1178 update with [MN].* --filter``() =
     lockFile.Groups.[Constants.MainDependencyGroup].Resolution.[PackageName "NUnit"].Version
     |> shouldBeGreaterThan (SemVer.Parse "2.6.1")
     lockFile.Groups.[Constants.MainDependencyGroup].Resolution.[PackageName "Microsoft.AspNet.WebApi.SelfHost"].Version
-    |> shouldBeGreaterThan (SemVer.Parse "5.0.1")
\ No newline at end of file
+    |> shouldBeGreaterThan (SemVer.Parse "5.0.1")
+
+[<Test>]
+let ``#1178 update with [MN].* and without filter should fail``() =
+    try
+        paket "update nuget [MN].*" "i001178-update-with-regex" |> ignore
+        failwithf "Paket command expected to fail"
+    with
+    | exn when exn.Message.Contains "Package [MN].* was not found in paket.dependencies in group Main" -> ()
\ No newline at end of file
diff --git a/src/Paket.Bootstrapper/Properties/AssemblyInfo.cs b/src/Paket.Bootstrapper/Properties/AssemblyInfo.cs
index 9e42769d45..eef738c0ed 100644
--- a/src/Paket.Bootstrapper/Properties/AssemblyInfo.cs
+++ b/src/Paket.Bootstrapper/Properties/AssemblyInfo.cs
@@ -4,11 +4,11 @@
 [assembly: AssemblyTitleAttribute("Paket.Bootstrapper")]
 [assembly: AssemblyProductAttribute("Paket")]
 [assembly: AssemblyDescriptionAttribute("A package dependency manager for .NET with support for NuGet packages and GitHub repositories.")]
-[assembly: AssemblyVersionAttribute("2.19.0")]
-[assembly: AssemblyFileVersionAttribute("2.19.0")]
-[assembly: AssemblyInformationalVersionAttribute("2.19.0")]
+[assembly: AssemblyVersionAttribute("2.20.0")]
+[assembly: AssemblyFileVersionAttribute("2.20.0")]
+[assembly: AssemblyInformationalVersionAttribute("2.20.0")]
 namespace System {
     internal static class AssemblyVersionInformation {
-        internal const string Version = "2.19.0";
+        internal const string Version = "2.20.0";
     }
 }
diff --git a/src/Paket.Core/AssemblyInfo.fs b/src/Paket.Core/AssemblyInfo.fs
index d789eb0308..37ac5ff32c 100644
--- a/src/Paket.Core/AssemblyInfo.fs
+++ b/src/Paket.Core/AssemblyInfo.fs
@@ -5,10 +5,10 @@ open System.Reflection
 [<assembly: AssemblyProductAttribute("Paket")>]
 [<assembly: AssemblyCompanyAttribute("Paket team")>]
 [<assembly: AssemblyDescriptionAttribute("A package dependency manager for .NET with support for NuGet packages and GitHub repositories.")>]
-[<assembly: AssemblyVersionAttribute("2.19.0")>]
-[<assembly: AssemblyFileVersionAttribute("2.19.0")>]
-[<assembly: AssemblyInformationalVersionAttribute("2.19.0")>]
+[<assembly: AssemblyVersionAttribute("2.20.0")>]
+[<assembly: AssemblyFileVersionAttribute("2.20.0")>]
+[<assembly: AssemblyInformationalVersionAttribute("2.20.0")>]
 do ()
 
 module internal AssemblyVersionInformation =
-    let [<Literal>] Version = "2.19.0"
+    let [<Literal>] Version = "2.20.0"
diff --git a/src/Paket.PowerShell/AssemblyInfo.fs b/src/Paket.PowerShell/AssemblyInfo.fs
index ce3bba0ba4..f4b0d3caa3 100644
--- a/src/Paket.PowerShell/AssemblyInfo.fs
+++ b/src/Paket.PowerShell/AssemblyInfo.fs
@@ -5,10 +5,10 @@ open System.Reflection
 [<assembly: AssemblyProductAttribute("Paket")>]
 [<assembly: AssemblyCompanyAttribute("Paket team")>]
 [<assembly: AssemblyDescriptionAttribute("A package dependency manager for .NET with support for NuGet packages and GitHub repositories.")>]
-[<assembly: AssemblyVersionAttribute("2.19.0")>]
-[<assembly: AssemblyFileVersionAttribute("2.19.0")>]
-[<assembly: AssemblyInformationalVersionAttribute("2.19.0")>]
+[<assembly: AssemblyVersionAttribute("2.20.0")>]
+[<assembly: AssemblyFileVersionAttribute("2.20.0")>]
+[<assembly: AssemblyInformationalVersionAttribute("2.20.0")>]
 do ()
 
 module internal AssemblyVersionInformation =
-    let [<Literal>] Version = "2.19.0"
+    let [<Literal>] Version = "2.20.0"
diff --git a/src/Paket/AssemblyInfo.fs b/src/Paket/AssemblyInfo.fs
index 07321e1533..eb0f31b737 100644
--- a/src/Paket/AssemblyInfo.fs
+++ b/src/Paket/AssemblyInfo.fs
@@ -5,10 +5,10 @@ open System.Reflection
 [<assembly: AssemblyProductAttribute("Paket")>]
 [<assembly: AssemblyCompanyAttribute("Paket team")>]
 [<assembly: AssemblyDescriptionAttribute("A package dependency manager for .NET with support for NuGet packages and GitHub repositories.")>]
-[<assembly: AssemblyVersionAttribute("2.19.0")>]
-[<assembly: AssemblyFileVersionAttribute("2.19.0")>]
-[<assembly: AssemblyInformationalVersionAttribute("2.19.0")>]
+[<assembly: AssemblyVersionAttribute("2.20.0")>]
+[<assembly: AssemblyFileVersionAttribute("2.20.0")>]
+[<assembly: AssemblyInformationalVersionAttribute("2.20.0")>]
 do ()
 
 module internal AssemblyVersionInformation =
-    let [<Literal>] Version = "2.19.0"
+    let [<Literal>] Version = "2.20.0"