diff --git a/CHANGELOG.md b/CHANGELOG.md
index 438d8ee92..ddd75ea4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.4.0 [unreleased]
+## 1.4.0 [2020-01-17]
 
 ### API
 1. [#52](https://github.com/influxdata/influxdb-client-java/pull/52): Updated swagger to latest version
diff --git a/Client.Core/Client.Core.csproj b/Client.Core/Client.Core.csproj
index ef4db430c..3233a5956 100644
--- a/Client.Core/Client.Core.csproj
+++ b/Client.Core/Client.Core.csproj
@@ -6,7 +6,7 @@
         <Description>InfluxDB Client Core - exceptions, validations, REST client.</Description>
         <Authors>influxdb-client-csharp Contributors</Authors>
         <AssemblyName>InfluxDB.Client.Core</AssemblyName>
-        <Version>1.4.0-preview</Version>
+        <Version>1.4.0</Version>
 
         <PackageId>InfluxDB.Client.Core</PackageId>
         <PackageTags>influxdata;timeseries;flux;influxdb</PackageTags>
diff --git a/Client.Legacy/Client.Legacy.csproj b/Client.Legacy/Client.Legacy.csproj
index 51a2e3260..5bbd52068 100644
--- a/Client.Legacy/Client.Legacy.csproj
+++ b/Client.Legacy/Client.Legacy.csproj
@@ -6,7 +6,7 @@
         <Description>The client that allow perform Flux Query against the InfluxDB 1.7+.</Description>
         <Authors>influxdb-client-csharp Contributors</Authors>
         <AssemblyName>InfluxDB.Client.Flux</AssemblyName>
-        <Version>1.4.0-preview</Version>
+        <Version>1.4.0</Version>
 
         <PackageId>InfluxDB.Client.Flux</PackageId>
         <PackageTags>influxdata;timeseries;flux;influxdb</PackageTags>
diff --git a/Client/Client.csproj b/Client/Client.csproj
index 2f966e4c1..5cf1b5198 100644
--- a/Client/Client.csproj
+++ b/Client/Client.csproj
@@ -6,7 +6,7 @@
         <Description>The reference client that allows query, write and management (bucket, organization, users) for the InfluxDB 2.0.</Description>
         <Authors>influxdb-client-csharp Contributors</Authors>
         <AssemblyName>InfluxDB.Client</AssemblyName>
-        <Version>1.4.0-preview</Version>
+        <Version>1.4.0</Version>
 
         <PackageId>InfluxDB.Client</PackageId>
         <PackageTags>influxdata;timeseries;flux;influxdb</PackageTags>
diff --git a/Examples/Examples.csproj b/Examples/Examples.csproj
index 4c5e5ab26..c936f6739 100644
--- a/Examples/Examples.csproj
+++ b/Examples/Examples.csproj
@@ -3,7 +3,7 @@
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>netcoreapp2.2</TargetFramework>
-        <Version>1.4.0-preview</Version>
+        <Version>1.4.0</Version>
         <IsPackable>false</IsPackable>
         
         <AssemblyOriginatorKeyFile>../Keys/Key.snk</AssemblyOriginatorKeyFile>