diff --git a/src/Fable.Cli/Fable.Cli.fsproj b/src/Fable.Cli/Fable.Cli.fsproj
index 3e6baaac96..e71ab30fea 100644
--- a/src/Fable.Cli/Fable.Cli.fsproj
+++ b/src/Fable.Cli/Fable.Cli.fsproj
@@ -3,13 +3,13 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net5.0</TargetFramework>
-    <Version>3.3.1</Version>
-    <PackageVersion>3.3.1</PackageVersion>
-    <PackageReleaseNotes>* Fix #2097: Async.StartChild does not apply timeout @njlr
-* Fix #2530: System.Collections.Generic.Stack @njlr
-* Fix #2548: Assigning to value of unit type
-* Fix #2549: Native ESM support
-* Serialize compiler_info as JSON</PackageReleaseNotes>
+    <Version>3.4.0</Version>
+    <PackageVersion>3.4.0</PackageVersion>
+    <PackageReleaseNotes>* ParamObject attribute
+* Rename .fable folder to fable_modules
+* Print log about Femto
+* Add Type.IsInstanceOfType @chkn
+* Fix #2229: Parsing succeeded for some invalid dates @njlr</PackageReleaseNotes>
     <!-- Allow users with newer dotnet SDK to run Fable, see #1910 -->
     <RollForward>Major</RollForward>
     <DisableImplicitFSharpCoreReference>true</DisableImplicitFSharpCoreReference>
diff --git a/src/Fable.Cli/RELEASE_NOTES.md b/src/Fable.Cli/RELEASE_NOTES.md
index d8ff5145dc..ece91e142c 100644
--- a/src/Fable.Cli/RELEASE_NOTES.md
+++ b/src/Fable.Cli/RELEASE_NOTES.md
@@ -1,3 +1,11 @@
+### 3.4.0
+
+* ParamObject attribute
+* Rename .fable folder to fable_modules
+* Print log about Femto
+* Add Type.IsInstanceOfType @chkn
+* Fix #2229: Parsing succeeded for some invalid dates @njlr
+
 ### 3.3.1
 
 * Fix #2097: Async.StartChild does not apply timeout @njlr
diff --git a/src/Fable.Core/Fable.Core.fsproj b/src/Fable.Core/Fable.Core.fsproj
index 0f51d3c453..ceaeeb3779 100644
--- a/src/Fable.Core/Fable.Core.fsproj
+++ b/src/Fable.Core/Fable.Core.fsproj
@@ -4,8 +4,8 @@
     <Description>Fable Core Library</Description>
     <TargetFramework>netstandard2.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <Version>3.3.1</Version>
-    <PackageVersion>3.3.1</PackageVersion>
+    <Version>3.4.0</Version>
+    <PackageVersion>3.4.0</PackageVersion>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="AssemblyInfo.fs" />
diff --git a/src/Fable.Core/RELEASE_NOTES.md b/src/Fable.Core/RELEASE_NOTES.md
index 40e4f35abe..0e6d2b980e 100644
--- a/src/Fable.Core/RELEASE_NOTES.md
+++ b/src/Fable.Core/RELEASE_NOTES.md
@@ -1,3 +1,7 @@
+### 3.4.0
+
+* ParamObject attribute
+
 ### 3.3.1
 
 * JS.Decorator/ReflectedDecorator attributes
diff --git a/src/Fable.Transforms/Global/Compiler.fs b/src/Fable.Transforms/Global/Compiler.fs
index a67ddba542..3dac5df3b4 100644
--- a/src/Fable.Transforms/Global/Compiler.fs
+++ b/src/Fable.Transforms/Global/Compiler.fs
@@ -1,7 +1,7 @@
 namespace Fable
 
 module Literals =
-    let [<Literal>] VERSION = "3.3.1"
+    let [<Literal>] VERSION = "3.4.0"
 
 type CompilerOptionsHelper =
     static member DefaultExtension = ".fs.js"