diff --git a/NEWS.md b/NEWS.md
index c02d18e9..86029003 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,6 @@
 # Leiningen News -- history of user-visible changes
 
-## 2.2.0 / ???
+## 2.2.0 / 2013-05-28
 
 * Support setting custom welcome message when repl connects. (Colin Jones)
 * Fix a bug where old template versions were always fetched. (Nelson Morris)
diff --git a/bin/lein b/bin/lein
index c1f49656..f3c37ac4 100755
--- a/bin/lein
+++ b/bin/lein
@@ -4,7 +4,7 @@
 # somewhere on your $PATH, like ~/bin. The rest of Leiningen will be
 # installed upon first run into the ~/.lein/self-installs directory.
 
-export LEIN_VERSION="2.2.0"
+export LEIN_VERSION="2.2.1-SNAPSHOT"
 
 case $LEIN_VERSION in
     *SNAPSHOT) SNAPSHOT="YES" ;;
diff --git a/bin/lein.bat b/bin/lein.bat
index 1f139403..bd6be777 100755
--- a/bin/lein.bat
+++ b/bin/lein.bat
@@ -2,7 +2,7 @@
 
 setLocal EnableExtensions EnableDelayedExpansion
 
-set LEIN_VERSION=2.2.0
+set LEIN_VERSION=2.2.1-SNAPSHOT
 
 if "%LEIN_VERSION:~-9%" == "-SNAPSHOT" (
     set SNAPSHOT=YES
diff --git a/leiningen-core/project.clj b/leiningen-core/project.clj
index 5a24782b..7132fbe3 100644
--- a/leiningen-core/project.clj
+++ b/leiningen-core/project.clj
@@ -1,4 +1,4 @@
-(defproject leiningen-core "2.2.0"
+(defproject leiningen-core "2.2.1-SNAPSHOT"
   :url "https://github.com/technomancy/leiningen"
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
diff --git a/project.clj b/project.clj
index 6e225a08..a455107f 100644
--- a/project.clj
+++ b/project.clj
@@ -1,7 +1,7 @@
 ;; This is Leiningen's own project configuration. See doc/TUTORIAL.md
 ;; file as well as sample.project.clj for help writing your own.
 
-(defproject leiningen "2.2.0"
+(defproject leiningen "2.2.1-SNAPSHOT"
   :description "Automate Clojure projects without setting your hair on fire."
   :url "https://github.com/technomancy/leiningen"
   :license {:name "Eclipse Public License"