diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc15d14..b5773b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+## 4.0.0 - 2020-03-04
+
+### Changed
+
+* isCamelCase is now replaced by caseStrategy=CamelCase
+
+### Added
+
+* Added caseStrategy that accept CamelCase | PascalCase | SnakeCase
+
 ## 3.6.0 - 2019-10-24
 
 ### Added
diff --git a/build.fsx b/build.fsx
index 4ea5373..9791629 100644
--- a/build.fsx
+++ b/build.fsx
@@ -176,34 +176,36 @@ let needsPublishing (versionRegex: Regex) (newVersion: string) projFile =
 let pushNuget (newVersion: string) (projFile: string) =
     let versionRegex = Regex("<Version>(.*?)</Version>", RegexOptions.IgnoreCase)
 
-    let nugetKey =
-        match Environment.environVarOrNone "NUGET_KEY" with
-        | Some nugetKey -> nugetKey
-        | None -> failwith "The Nuget API key must be set in a NUGET_KEY environmental variable"
+    if needsPublishing versionRegex newVersion projFile then
 
-    let needsPublishing = needsPublishing versionRegex newVersion projFile
+        let nugetKey =
+            match Environment.environVarOrNone "NUGET_KEY" with
+            | Some nugetKey -> nugetKey
+            | None -> failwith "The Nuget API key must be set in a NUGET_KEY environmental variable"
 
-    (versionRegex, projFile) ||> Util.replaceLines (fun line _ ->
-        versionRegex.Replace(line, "<Version>" + newVersion + "</Version>") |> Some)
+        (versionRegex, projFile) ||> Util.replaceLines (fun line _ ->
+            versionRegex.Replace(line, "<Version>" + newVersion + "</Version>") |> Some)
 
-    DotNet.pack (fun p ->
-            DotNet.Options.lift dotnetSdk.Value p
-        )
-        projFile
+        DotNet.pack (fun p ->
+                DotNet.Options.lift dotnetSdk.Value p
+            )
+            projFile
 
-    let projDir = Path.GetDirectoryName(projFile)
+        let projDir = Path.GetDirectoryName(projFile)
 
-    let files =
         Directory.GetFiles(projDir </> "bin" </> "Release", "*.nupkg")
         |> Array.find (fun nupkg -> nupkg.Contains(newVersion))
-        |> fun x -> [x]
-
-    if needsPublishing then
-        Paket.pushFiles (fun o ->
-            { o with ApiKey = nugetKey
-                     PublishUrl = "https://www.nuget.org/api/v2/package"
-                     WorkingDir = __SOURCE_DIRECTORY__ })
-            files
+        |> (fun nupkg ->
+            DotNet.nugetPush (fun p ->
+                { p with
+                    PushParams =
+                        { p.PushParams with
+                            ApiKey = Some nugetKey
+                            Source = Some "nuget.org"
+                        }
+                 }
+            ) nupkg
+        )
 
 let versionRegex = Regex("^## ?\\[?v?([\\w\\d.-]+\\.[\\w\\d.-]+[a-zA-Z0-9])\\]?", RegexOptions.IgnoreCase)
 
diff --git a/src/Thoth.Json.Net.fsproj b/src/Thoth.Json.Net.fsproj
index 439ed38..88a4486 100644
--- a/src/Thoth.Json.Net.fsproj
+++ b/src/Thoth.Json.Net.fsproj
@@ -6,7 +6,7 @@
         <RepositoryUrl>https://github.com/thoth-org/Thoth.Json.Net</RepositoryUrl>
         <PackageTags>fsharp;json</PackageTags>
         <Authors>Maxime Mangel</Authors>
-        <Version>3.6.0</Version>
+        <Version>4.0.0</Version>
     </PropertyGroup>
     <PropertyGroup>
         <TargetFrameworks>netstandard2.0;net46</TargetFrameworks>