diff --git a/VERSION b/VERSION
index 31cab3d..3ea600d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.29
+4.2.31
diff --git a/clients/c/src/un.c b/clients/c/src/un.c
index f0dfc62..516c728 100644
--- a/clients/c/src/un.c
+++ b/clients/c/src/un.c
@@ -6076,7 +6076,7 @@ void print_usage(const char *prog) {
  * ============================================================================ */
 
 const char *unsandbox_version(void) {
-    return "4.2.29";
+    return "4.2.31";
 }
 
 const char *unsandbox_detect_language(const char *filename) {
diff --git a/clients/dotnet/async/src/Un.cs b/clients/dotnet/async/src/Un.cs
index 10867af..2052100 100644
--- a/clients/dotnet/async/src/Un.cs
+++ b/clients/dotnet/async/src/Un.cs
@@ -12,7 +12,7 @@ using System.Text.Json.Serialization;
 
 const string API_BASE = "https://api.unsandbox.com";
 const string PORTAL_BASE = "https://unsandbox.com";
-const string VERSION = "4.2.29";
+const string VERSION = "4.2.31";
 
 // ANSI colors
 const string BLUE = "\x1B[34m";
diff --git a/clients/dotnet/sync/src/Un.cs b/clients/dotnet/sync/src/Un.cs
index 3505757..3074fcd 100644
--- a/clients/dotnet/sync/src/Un.cs
+++ b/clients/dotnet/sync/src/Un.cs
@@ -12,7 +12,7 @@ using System.Text.Json.Serialization;
 
 const string API_BASE = "https://api.unsandbox.com";
 const string PORTAL_BASE = "https://unsandbox.com";
-const string VERSION = "4.2.29";
+const string VERSION = "4.2.31";
 
 // ANSI colors
 const string BLUE = "\x1B[34m";
diff --git a/clients/groovy/sync/src/un.groovy b/clients/groovy/sync/src/un.groovy
index 0a4b4aa..74c25b8 100644
--- a/clients/groovy/sync/src/un.groovy
+++ b/clients/groovy/sync/src/un.groovy
@@ -72,7 +72,7 @@
  * </ol>
  *
  * @author Permacomputer Project
- * @version 4.2.29
+ * @version 4.2.31
  */
 
 import javax.crypto.Mac
diff --git a/clients/javascript/async/package.json b/clients/javascript/async/package.json
index f2dcde1..52f8629 100644
--- a/clients/javascript/async/package.json
+++ b/clients/javascript/async/package.json
@@ -1,6 +1,6 @@
 {
   "name": "un-async",
-  "version": "4.2.29",
+  "version": "4.2.31",
   "description": "Unsandbox async JavaScript SDK - Execute code in 50+ languages",
   "main": "src/un_async.js",
   "type": "module",
diff --git a/clients/javascript/sync/package.json b/clients/javascript/sync/package.json
index 87a34be..4e2ecea 100644
--- a/clients/javascript/sync/package.json
+++ b/clients/javascript/sync/package.json
@@ -1,6 +1,6 @@
 {
   "name": "un-sync",
-  "version": "4.2.29",
+  "version": "4.2.31",
   "description": "unsandbox.com JavaScript SDK (Isomorphic - Node.js + Browser)",
   "type": "module",
   "main": "src/un.js",
diff --git a/clients/lua/sync/src/un.lua b/clients/lua/sync/src/un.lua
index 6b70572..6db45c5 100644
--- a/clients/lua/sync/src/un.lua
+++ b/clients/lua/sync/src/un.lua
@@ -15,7 +15,7 @@ local ltn12 = require("ltn12")
 
 local Un = {}
 Un.API_BASE = "https://api.unsandbox.com"
-Un.VERSION = "4.2.29"
+Un.VERSION = "4.2.31"
 
 -- Credential loading
 function Un.load_accounts_csv(path)
diff --git a/clients/perl/sync/src/un.pl b/clients/perl/sync/src/un.pl
index bdac3e7..55123cd 100644
--- a/clients/perl/sync/src/un.pl
+++ b/clients/perl/sync/src/un.pl
@@ -47,7 +47,7 @@ use Digest::HMAC_SHA256 qw(hmac_sha256_hex);
 use File::HomeDir;
 use Time::HiRes qw(time sleep);
 
-our $VERSION = "4.2.29";
+our $VERSION = "4.2.31";
 our $API_BASE = 'https://api.unsandbox.com';
 
 # Credential system
diff --git a/clients/python/async/setup.py b/clients/python/async/setup.py
index f67dfd5..fa978bd 100644
--- a/clients/python/async/setup.py
+++ b/clients/python/async/setup.py
@@ -7,7 +7,7 @@ from setuptools import setup, find_packages
 
 setup(
     name="unsandbox-async",
-    version="4.2.29",
+    version="4.2.31",
     description="Asynchronous Python SDK for unsandbox.com code execution",
     long_description=open("README.md").read() if False else "Async Python SDK for unsandbox code execution",
     author="unsandbox.com",
diff --git a/clients/python/sync/setup.py b/clients/python/sync/setup.py
index 22996e5..0e97a91 100644
--- a/clients/python/sync/setup.py
+++ b/clients/python/sync/setup.py
@@ -7,7 +7,7 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 setup(
     name="unsandbox",
-    version="4.2.29",
+    version="4.2.31",
     author="Unsandbox",
     description="Synchronous Python SDK for unsandbox.com code execution",
     long_description=long_description,
diff --git a/clients/python/sync/src/__init__.py b/clients/python/sync/src/__init__.py
index 26a3092..aaafec1 100644
--- a/clients/python/sync/src/__init__.py
+++ b/clients/python/sync/src/__init__.py
@@ -27,7 +27,7 @@ from .un import (
     CredentialsError,
 )
 
-__version__ = "4.2.29"
+__version__ = "4.2.31"
 __all__ = [
     "execute_code",
     "execute_async",
diff --git a/clients/rust/async/Cargo.toml b/clients/rust/async/Cargo.toml
index 2c0f659..e14cb11 100644
--- a/clients/rust/async/Cargo.toml
+++ b/clients/rust/async/Cargo.toml
@@ -7,7 +7,7 @@
 
 [package]
 name = "un-async"
-version = "4.2.29"
+version = "4.2.31"
 edition = "2021"
 authors = ["unsandbox.com"]
 description = "Asynchronous Rust SDK for unsandbox.com secure code execution API"
diff --git a/clients/rust/sync/Cargo.toml b/clients/rust/sync/Cargo.toml
index f094265..656ac2f 100644
--- a/clients/rust/sync/Cargo.toml
+++ b/clients/rust/sync/Cargo.toml
@@ -7,7 +7,7 @@
 
 [package]
 name = "un-sync"
-version = "4.2.29"
+version = "4.2.31"
 edition = "2021"
 authors = ["unsandbox.com"]
 description = "Synchronous Rust SDK for unsandbox.com secure code execution API"