diff --git a/bootstrap-languages/agent-language/package.json b/bootstrap-languages/agent-language/package.json
index 6549748ff..a3295d102 100644
--- a/bootstrap-languages/agent-language/package.json
+++ b/bootstrap-languages/agent-language/package.json
@@ -44,5 +44,5 @@
     "md5": "^2.3.0",
     "postcss": "^8.2.1"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/bootstrap-languages/direct-message-language/package.json b/bootstrap-languages/direct-message-language/package.json
index 9cc2ffe78..1e78bb4e1 100644
--- a/bootstrap-languages/direct-message-language/package.json
+++ b/bootstrap-languages/direct-message-language/package.json
@@ -35,5 +35,5 @@
   "dependencies": {
     "@types/node": "^18.0.0"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/bootstrap-languages/neighbourhood-language/package.json b/bootstrap-languages/neighbourhood-language/package.json
index 7c55ce4ab..2143d1bbb 100644
--- a/bootstrap-languages/neighbourhood-language/package.json
+++ b/bootstrap-languages/neighbourhood-language/package.json
@@ -8,5 +8,5 @@
   },
   "author": "joshuadparkin@gmail.com",
   "license": "ISC",
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/bootstrap-languages/p-diff-sync/package.json b/bootstrap-languages/p-diff-sync/package.json
index 4c9758fc4..c352e5567 100644
--- a/bootstrap-languages/p-diff-sync/package.json
+++ b/bootstrap-languages/p-diff-sync/package.json
@@ -38,5 +38,5 @@
   "devDependencies": {
     "run-script-os": "^1.1.6"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/bootstrap-languages/perspective-language/package.json b/bootstrap-languages/perspective-language/package.json
index e1ac30b16..2cfddcc56 100644
--- a/bootstrap-languages/perspective-language/package.json
+++ b/bootstrap-languages/perspective-language/package.json
@@ -30,5 +30,5 @@
     "typescript": "^4.5.5",
     "uint8arrays": "^3.0.0"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 0a0f4d220..fe9f2d2f3 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "ad4m"
 
-version = "0.8.2-prerelease-2"
+version = "0.9.0-prerelease.0"
 
 edition = "2021"
 authors = ["Nicolas Luck <nicolas@coasys.org>"]
diff --git a/connect/package.json b/connect/package.json
index 81aa716c2..e69b8e01f 100644
--- a/connect/package.json
+++ b/connect/package.json
@@ -66,5 +66,5 @@
     "esbuild-plugin-replace": "^1.4.0",
     "lit": "^2.3.1"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/core/package.json b/core/package.json
index e1f74e4c5..90f98700a 100644
--- a/core/package.json
+++ b/core/package.json
@@ -58,7 +58,7 @@
     "ws": "8.13.0"
   },
   "patchedDependencies": {},
-  "version": "0.8.2-prerelease-2",
+  "version": "0.9.0-prerelease",
   "pnpm": {
     "patchedDependencies": {
       "graphql@15.7.2": "patches/graphql@15.7.2.patch"
diff --git a/docs/package.json b/docs/package.json
index d98c2d4e6..13989d242 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -22,5 +22,5 @@
     "typedoc-plugin-markdown": "^3.15.2",
     "typescript": "^4.9.3"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/executor/package.json b/executor/package.json
index ffc81778e..05d095c2e 100644
--- a/executor/package.json
+++ b/executor/package.json
@@ -78,5 +78,5 @@
     "tmp": "^0.2.1",
     "uuid": "*"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/executor/src/core/Config.ts b/executor/src/core/Config.ts
index f3e793caf..530fe75b1 100644
--- a/executor/src/core/Config.ts
+++ b/executor/src/core/Config.ts
@@ -2,7 +2,7 @@ import * as path from 'node:path';
 import * as fs from 'node:fs';
 import { Address, Expression } from '@coasys/ad4m';
 
-export let ad4mExecutorVersion = "0.8.2-prerelease-2";
+export let ad4mExecutorVersion = "0.9.0-prerelease";
 export let agentLanguageAlias = "did";
 export let languageLanguageAlias = "lang";
 export let neighbourhoodLanguageAlias = "neighbourhood";
diff --git a/package.json b/package.json
index 51c6dcaf5..7667ab395 100644
--- a/package.json
+++ b/package.json
@@ -92,5 +92,5 @@
       "safer-buffer@2.1.2": "patches/safer-buffer@2.1.2.patch"
     }
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/rust-client/Cargo.toml b/rust-client/Cargo.toml
index cfbbd8e19..2ec91802c 100644
--- a/rust-client/Cargo.toml
+++ b/rust-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ad4m-client"
-version = "0.8.2-prerelease-2"
+version = "0.9.0-prerelease"
 edition = "2021"
 authors = ["Nicolas Luck <nicolas@coasys.org>"]
 description = "Client library wrapping AD4M's GraphQL interface"
diff --git a/rust-executor/Cargo.toml b/rust-executor/Cargo.toml
index d0b7769c0..88def5d31 100644
--- a/rust-executor/Cargo.toml
+++ b/rust-executor/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rust-executor"
-version = "0.8.2-prerelease-2"
+version = "0.9.0-prerelease"
 edition = "2021"
 authors = ["Nicolas Luck <nicolas@coasys.org>"]
 description = "A command-line interface to AD4M (i.e. the AD4M executor) - https://ad4m.dev"
diff --git a/rust-executor/package.json b/rust-executor/package.json
index cc3e10eec..8047f3405 100644
--- a/rust-executor/package.json
+++ b/rust-executor/package.json
@@ -31,5 +31,5 @@
     "@coasys/ad4m-executor": "link:../core"
   },
   "dependencies": {},
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/rust-executor/src/globals.rs b/rust-executor/src/globals.rs
index 4a3092b79..68037b332 100644
--- a/rust-executor/src/globals.rs
+++ b/rust-executor/src/globals.rs
@@ -2,7 +2,7 @@ use lazy_static::lazy_static;
 
 lazy_static! {
     /// The current version of AD4M
-    pub static ref AD4M_VERSION: String = String::from("0.8.2-prerelease-2");
+    pub static ref AD4M_VERSION: String = String::from("0.9.0-prerelease");
 }
 
 /// Struct representing oldest supported version and indicator if state should be cleared if update is required
diff --git a/test-runner/package.json b/test-runner/package.json
index 8985f3765..80e60a989 100644
--- a/test-runner/package.json
+++ b/test-runner/package.json
@@ -63,5 +63,5 @@
   "bugs": {
     "url": "https://github.com/perspect3vism/ad4m-test/issues"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/tests/js/package.json b/tests/js/package.json
index 33dbfd14b..1fcbf6f59 100644
--- a/tests/js/package.json
+++ b/tests/js/package.json
@@ -60,5 +60,5 @@
   "dependencies": {
     "uuid": "*"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/ui/package.json b/ui/package.json
index 0b1e75f2f..9b7254f80 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -71,5 +71,5 @@
   "resolutions": {
     "react-error-overlay": "6.0.9"
   },
-  "version": "0.8.2-prerelease-2"
+  "version": "0.9.0-prerelease"
 }
diff --git a/ui/src-tauri/Cargo.toml b/ui/src-tauri/Cargo.toml
index 4a31e9267..8e22456db 100644
--- a/ui/src-tauri/Cargo.toml
+++ b/ui/src-tauri/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ad4m-launcher"
-version = "0.8.2-prerelease-2"
+version = "0.9.0-prerelease.0"
 description = "Administration of ad4m services"
 authors = ["Kaichao Sun"]
 license = ""
diff --git a/ui/src-tauri/tauri.conf.json b/ui/src-tauri/tauri.conf.json
index 493e39bf8..a4c24c262 100644
--- a/ui/src-tauri/tauri.conf.json
+++ b/ui/src-tauri/tauri.conf.json
@@ -1,7 +1,7 @@
 {
   "package": {
     "productName": "ADAM Launcher",
-    "version": "0.8.2-prerelease-2"
+    "version": "0.9.0-prerelease"
   },
   "build": {
     "distDir": "../dist",