diff --git a/ChangeLog.md b/ChangeLog.md
index af18461a6..5a2b793e8 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## Version 0.38.1
+* Ruby: Upgrade to bundler 2 🆕
+* Ruby: Fix endpoint.update parameters 🐞 (thanks [sevensidedmarble](https://github.com/sevensidedmarble)!)
+* Go: Regenerate Spec
+
 ## Version 0.38.0
 * All: Add support for retrieving a single event type 🆕
 * Javascript: Add readme for npm 📚
diff --git a/csharp/Svix/Svix.csproj b/csharp/Svix/Svix.csproj
index 1c423f800..f44bf481b 100644
--- a/csharp/Svix/Svix.csproj
+++ b/csharp/Svix/Svix.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
     <PackageId>Svix</PackageId>
-    <Version>0.38.0</Version>
+    <Version>0.38.1</Version>
     <Authors>Svix</Authors>
     <Company>Svix</Company>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
diff --git a/go/internal/version/version.go b/go/internal/version/version.go
index 8a6d44355..d5999179d 100644
--- a/go/internal/version/version.go
+++ b/go/internal/version/version.go
@@ -1,3 +1,3 @@
 package version
 
-const Version = "0.38.0"
+const Version = "0.38.1"
diff --git a/java/README.md b/java/README.md
index 2fe2fe5e3..79d8afbcf 100644
--- a/java/README.md
+++ b/java/README.md
@@ -18,7 +18,7 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.svix</groupId>
   <artifactId>svix</artifactId>
-  <version>0.38.0</version>
+  <version>0.38.1</version>
   <scope>compile</scope>
 </dependency>
 ```
@@ -28,7 +28,7 @@ Add this dependency to your project's POM:
 Add this dependency to your project's build file:
 
 ```groovy
-implementation "com.svix:svix:0.38.0"
+implementation "com.svix:svix:0.38.1"
 ```
 
 
diff --git a/java/gradle.properties b/java/gradle.properties
index 1ba6e9cf9..fe672d0ca 100644
--- a/java/gradle.properties
+++ b/java/gradle.properties
@@ -1,5 +1,5 @@
 GROUP=com.svix
-VERSION_NAME=0.38.0
+VERSION_NAME=0.38.1
 
 POM_URL=https://github.com/svix/svix-libs
 POM_SCM_URL=git@github.com:svix/svix-libs.git
diff --git a/java/lib/src/main/java/com/svix/Svix.java b/java/lib/src/main/java/com/svix/Svix.java
index ba2bb6303..858444990 100644
--- a/java/lib/src/main/java/com/svix/Svix.java
+++ b/java/lib/src/main/java/com/svix/Svix.java
@@ -5,7 +5,7 @@
 import com.svix.internal.auth.HttpBearerAuth;
 
 public final class Svix {
-	public static final String VERSION = "0.38.0";
+	public static final String VERSION = "0.38.1";
 	private final Application application;
 	private final Authentication authentication;
 	private final Endpoint endpoint;
diff --git a/javascript/package.json b/javascript/package.json
index 9d7e9be26..967f72cd2 100644
--- a/javascript/package.json
+++ b/javascript/package.json
@@ -1,6 +1,6 @@
 {
   "name": "svix",
-  "version": "0.38.0",
+  "version": "0.38.1",
   "description": "Svix API client",
   "author": "svix",
   "repository": "https://github.com/svix/svix-libs",
diff --git a/javascript/src/index.ts b/javascript/src/index.ts
index 672e71e4a..752385fc3 100644
--- a/javascript/src/index.ts
+++ b/javascript/src/index.ts
@@ -46,7 +46,7 @@ import * as base64 from "@stablelib/base64";
 import * as sha256 from "fast-sha256";
 
 const WEBHOOK_TOLERANCE_IN_SECONDS = 5 * 60; // 5 minutes
-const VERSION = "0.38.0";
+const VERSION = "0.38.1";
 
 class UserAgentMiddleware implements Middleware {
   public pre(context: RequestContext): Promise<RequestContext> {
diff --git a/kotlin/README.md b/kotlin/README.md
index dfb479acc..832b3a314 100644
--- a/kotlin/README.md
+++ b/kotlin/README.md
@@ -18,7 +18,7 @@ Add this dependency to your project's POM:
 <dependency>
   <groupId>com.svix.kotlin</groupId>
   <artifactId>svix-kotlin</artifactId>
-  <version>0.38.0</version>
+  <version>0.38.1</version>
   <scope>compile</scope>
 </dependency>
 ```
@@ -28,7 +28,7 @@ Add this dependency to your project's POM:
 Add this dependency to your project's build file:
 
 ```groovy
-implementation "com.svix.kotlin:svix-kotlin:0.38.0"
+implementation "com.svix.kotlin:svix-kotlin:0.38.1"
 ```
 
 
diff --git a/kotlin/gradle.properties b/kotlin/gradle.properties
index 343e750eb..318095da0 100644
--- a/kotlin/gradle.properties
+++ b/kotlin/gradle.properties
@@ -1,5 +1,5 @@
 GROUP=com.svix.kotlin
-VERSION_NAME=0.38.0
+VERSION_NAME=0.38.1
 
 POM_URL=https://github.com/svix/svix-libs
 POM_SCM_URL=git@github.com:svix/svix-libs.git
diff --git a/kotlin/lib/src/main/kotlin/SvixOptions.kt b/kotlin/lib/src/main/kotlin/SvixOptions.kt
index 6f4c9c22a..3f6c9f802 100644
--- a/kotlin/lib/src/main/kotlin/SvixOptions.kt
+++ b/kotlin/lib/src/main/kotlin/SvixOptions.kt
@@ -1,7 +1,7 @@
 package com.svix.kotlin
 
 data class SvixOptions(val debugUrl: String = DEFAULT_URL) {
-    private val version = "0.38.0"
+    private val version = "0.38.1"
 
     companion object {
         const val DEFAULT_URL = "https://api.svix.com"
diff --git a/python/svix/__init__.py b/python/svix/__init__.py
index 40d79c40a..e3c86a7a2 100644
--- a/python/svix/__init__.py
+++ b/python/svix/__init__.py
@@ -25,4 +25,4 @@
     "WebhookVerificationError",
 ]
 
-__version__ = "0.38.0"
+__version__ = "0.38.1"
diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index ae6340f25..48731b78e 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    svix (0.38.0)
+    svix (0.38.1)
       typhoeus (~> 1.0, >= 1.0.1)
 
 GEM
diff --git a/ruby/lib/svix/version.rb b/ruby/lib/svix/version.rb
index bf7540956..cf88b788d 100644
--- a/ruby/lib/svix/version.rb
+++ b/ruby/lib/svix/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Svix
-  VERSION = "0.38.0"
+  VERSION = "0.38.1"
 end