diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4bb536a4ab..30d49655d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## [0.85.40](https://github.com/kurtosis-tech/kurtosis/compare/0.85.39...0.85.40) (2023-12-02)
+
+
+### Features
+
+* change change license to Apache 2.0 ([#1884](https://github.com/kurtosis-tech/kurtosis/issues/1884)) ([64084d8](https://github.com/kurtosis-tech/kurtosis/commit/64084d8e7ce18ebb86b05d17035db90971c2f867))
+
+
+### Bug Fixes
+
+* cache bug ([#1885](https://github.com/kurtosis-tech/kurtosis/issues/1885)) ([82e46e2](https://github.com/kurtosis-tech/kurtosis/commit/82e46e249006e85b4f71824798370968d8ee7731))
+* change tail package ([#1874](https://github.com/kurtosis-tech/kurtosis/issues/1874)) ([f4e87ec](https://github.com/kurtosis-tech/kurtosis/commit/f4e87ec6757219b089ca3b7d2692bc15c42f8fd1))
+
 ## [0.85.39](https://github.com/kurtosis-tech/kurtosis/compare/0.85.38...0.85.39) (2023-11-30)
 
 
diff --git a/LICENSE.md b/LICENSE.md
index 4a54f2aadb..39d8cceae5 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -3,7 +3,7 @@ Business Source License 1.1
 Parameters
 
 Licensor:             Kurtosis Technologies, Inc.
-Licensed Work:        Kurtosis 0.85.39
+Licensed Work:        Kurtosis 0.85.40
 The Licensed Work is (c) 2023 Kurtosis Technologies, Inc.
 Additional Use Grant: You may make use of the Licensed Work, provided that
 you may not use the Licensed Work for an Environment Orchestration Service.
@@ -12,7 +12,7 @@ you may not use the Licensed Work for an Environment Orchestration Service.
                       allows third parties (other than your employees and
                       contractors) to create distributed system environments.
 
-Change Date:          2027-11-30
+Change Date:          2027-12-02
 
 Change License:       Apache 2.0 (Apache License, Version 2.0)
 
diff --git a/api/golang/kurtosis_version/kurtosis_version.go b/api/golang/kurtosis_version/kurtosis_version.go
index 171c9173cb..286939de89 100644
--- a/api/golang/kurtosis_version/kurtosis_version.go
+++ b/api/golang/kurtosis_version/kurtosis_version.go
@@ -9,6 +9,6 @@ const (
 	// !!!!!!!!!!! DO NOT UPDATE! WILL BE MANUALLY UPDATED DURING THE RELEASE PROCESS !!!!!!!!!!!!!!!!!!!!!!
 	// This is necessary so that Kurt Core consumers will know if they're compatible with the currently-running
 	//  API container
-	KurtosisVersion = "0.85.39"
+	KurtosisVersion = "0.85.40"
 	// !!!!!!!!!!! DO NOT UPDATE! WILL BE MANUALLY UPDATED DURING THE RELEASE PROCESS !!!!!!!!!!!!!!!!!!!!!!
 )
diff --git a/api/rust/Cargo.toml b/api/rust/Cargo.toml
index 3902626ba3..8edeb073fb 100644
--- a/api/rust/Cargo.toml
+++ b/api/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "kurtosis-sdk"
-version = "0.85.39"
+version = "0.85.40"
 license = "BUSL-1.1"
 description = "Rust SDK for Kurtosis"
 edition = "2021"
diff --git a/api/typescript/package.json b/api/typescript/package.json
index 5f4b591456..55dff36008 100644
--- a/api/typescript/package.json
+++ b/api/typescript/package.json
@@ -1,7 +1,7 @@
 {
     "name": "kurtosis-sdk",
     "//": "NOTE: DO NOT UPDATE THIS VERSION MANUALLY - IT WILL BE UPDATED DURING THE RELEASE PROCESS!",
-    "version": "0.85.39",
+    "version": "0.85.40",
     "main": "./build/index",
     "description": "This repo contains a Typescript client for communicating with the Kurtosis Engine server, which is responsible for creating, managing and destroying Kurtosis Enclaves.",
     "types": "./build/index",
diff --git a/api/typescript/src/kurtosis_version/kurtosis_version.ts b/api/typescript/src/kurtosis_version/kurtosis_version.ts
index 101898c776..182a04e904 100644
--- a/api/typescript/src/kurtosis_version/kurtosis_version.ts
+++ b/api/typescript/src/kurtosis_version/kurtosis_version.ts
@@ -1,5 +1,5 @@
 // !!!!!!!!!!! DO NOT UPDATE! WILL BE MANUALLY UPDATED DURING THE RELEASE PROCESS !!!!!!!!!!!!!!!!!!!!!!
 // This is necessary so that Kurt Core consumers (e.g. modules) will know if they're compatible with the currently-running
 //  API container
-export const KURTOSIS_VERSION: string = "0.85.39"
+export const KURTOSIS_VERSION: string = "0.85.40"
 // !!!!!!!!!!! DO NOT UPDATE! WILL BE MANUALLY UPDATED DURING THE RELEASE PROCESS !!!!!!!!!!!!!!!!!!!!!!
diff --git a/version.txt b/version.txt
index fdc3fa0f08..f4d8dc89b9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.85.39
+0.85.40