diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee3213a8d76..833f9e1c31a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,30 @@
 Change Log
 ===
 
+v3.9.0-dev.0
+---
+* [new-rule] `no-namespace` rule (#1133)
+* [new-rule] `one-variable-per-declaration` rule (#525)
+* [new-rule-option] "ignore-params" option for `no-inferrable-types` rule (#1190)
+* [new-rule-option] "no-this-in-function-in-method" option for `no-invalid-this` rule (#1179)
+* [enhancement] Single line enable/disable comments (#144)
+* [enhancement] Resolve `extends` packages relative to location of configuration file (#1171)
+* [enhancement] `Linter` class will throw an error if configuration is of an invalid type (#1167)
+* [bugfix] `use-isnan` allows assaignments to `NaN` (#1054)
+* [bugfix] `no-unreachable` handles allows hoisted type aliases (#564)
+* [bugfix] `member-ordering` rule now checks constructors (#1158)
+* [bugfix] `--test` CLI command works correctly with specifiying custom rules (#1195)
+
+Thanks to our contributors!
+* @abierbaum
+* @HamletDRC
+* @inthemill
+* @janslow
+* @JoshuaKGoldberg
+* @mprobst
+* @patsissions
+* @YuichiNukiyama
+
 v3.8.1
 ---
 * Stable release containing changes from the last dev release (v3.8.0-dev.1)
diff --git a/package.json b/package.json
index fd925f5ecfd..ebd0537990b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tslint",
-  "version": "3.8.0-dev.1",
+  "version": "3.9.0-dev.0",
   "description": "a static analysis linter for TypeScript",
   "bin": {
     "tslint": "./bin/tslint"
diff --git a/src/tslint.ts b/src/tslint.ts
index fdb58ac8b47..47aa82218e2 100644
--- a/src/tslint.ts
+++ b/src/tslint.ts
@@ -33,7 +33,7 @@ import {loadRules} from "./ruleLoader";
 import {arrayify} from "./utils";
 
 class Linter {
-    public static VERSION = "3.8.0-dev.1";
+    public static VERSION = "3.9.0-dev.0";
 
     public static findConfiguration = findConfiguration;
     public static findConfigurationPath = findConfigurationPath;