diff --git a/item-nbt-api/pom.xml b/item-nbt-api/pom.xml
index 3a0164ed7..f99fa1ea6 100644
--- a/item-nbt-api/pom.xml
+++ b/item-nbt-api/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.tr7zw</groupId>
     <artifactId>item-nbt-parent</artifactId>
-    <version>2.12.0</version>
+    <version>2.12.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>item-nbt-api</artifactId>
diff --git a/item-nbt-api/src/main/java/de/tr7zw/changeme/nbtapi/utils/MinecraftVersion.java b/item-nbt-api/src/main/java/de/tr7zw/changeme/nbtapi/utils/MinecraftVersion.java
index c247b14b9..99232e674 100644
--- a/item-nbt-api/src/main/java/de/tr7zw/changeme/nbtapi/utils/MinecraftVersion.java
+++ b/item-nbt-api/src/main/java/de/tr7zw/changeme/nbtapi/utils/MinecraftVersion.java
@@ -36,7 +36,7 @@ public enum MinecraftVersion {
     private static Logger logger = Logger.getLogger("NBTAPI");
 
     // NBT-API Version
-    protected static final String VERSION = "2.12.0";
+    protected static final String VERSION = "2.12.1-SNAPSHOT";
 
     private final int versionId;
     private final boolean mojangMapping;
diff --git a/item-nbt-plugin/pom.xml b/item-nbt-plugin/pom.xml
index 20d7da9e0..c36426f02 100644
--- a/item-nbt-plugin/pom.xml
+++ b/item-nbt-plugin/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>de.tr7zw</groupId>
     <artifactId>item-nbt-parent</artifactId>
-    <version>2.12.0</version>
+    <version>2.12.1-SNAPSHOT</version>
   </parent>
   <artifactId>item-nbt-api-plugin</artifactId>
   <packaging>jar</packaging>
@@ -12,19 +12,19 @@
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>item-nbt-api</artifactId>
-      <version>2.12.0</version>
+      <version>2.12.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>nbt-injector</artifactId>
-      <version>2.12.0</version>
+      <version>2.12.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>nbt-data-api</artifactId>
-      <version>2.12.0</version>
+      <version>2.12.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
diff --git a/mappings-parser/pom.xml b/mappings-parser/pom.xml
index 3e8cc0f7f..5ab272913 100644
--- a/mappings-parser/pom.xml
+++ b/mappings-parser/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>de.tr7zw</groupId>
     <artifactId>item-nbt-parent</artifactId>
-    <version>2.12.0</version>
+    <version>2.12.1-SNAPSHOT</version>
   </parent>
   <artifactId>mappings-parser</artifactId>
   <packaging>jar</packaging>
@@ -12,7 +12,7 @@
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>item-nbt-api</artifactId>
-      <version>2.12.0</version>
+      <version>2.12.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
diff --git a/nbt-data-api/pom.xml b/nbt-data-api/pom.xml
index 6085e5c9e..e67bd8079 100644
--- a/nbt-data-api/pom.xml
+++ b/nbt-data-api/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.tr7zw</groupId>
     <artifactId>item-nbt-parent</artifactId>
-    <version>2.12.0</version>
+    <version>2.12.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>nbt-data-api</artifactId>
@@ -14,7 +14,7 @@
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>item-nbt-api</artifactId>
-      <version>2.12.0</version>
+      <version>2.12.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
diff --git a/nbt-injector/pom.xml b/nbt-injector/pom.xml
index 4c51ee64f..650b1ffe0 100644
--- a/nbt-injector/pom.xml
+++ b/nbt-injector/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>de.tr7zw</groupId>
     <artifactId>item-nbt-parent</artifactId>
-    <version>2.12.0</version>
+    <version>2.12.1-SNAPSHOT</version>
   </parent>
   <artifactId>nbt-injector</artifactId>
   <packaging>jar</packaging>
@@ -12,7 +12,7 @@
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>item-nbt-api</artifactId>
-      <version>2.12.0</version>
+      <version>2.12.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
diff --git a/pom.xml b/pom.xml
index abf7fbebe..c6f7dff5f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>de.tr7zw</groupId>
   <artifactId>item-nbt-parent</artifactId>
-  <version>2.12.0</version>
+  <version>2.12.1-SNAPSHOT</version>
   <packaging>pom</packaging>
   <inceptionYear>2015</inceptionYear>
   <organization>
diff --git a/spigot.bb b/spigot.bb
index d9f9e2887..444d4df24 100644
--- a/spigot.bb
+++ b/spigot.bb
@@ -112,7 +112,7 @@ Just use the Plugin as Maven dependency and remember to add "NBTAPI" as dependen
 <dependency>
   <groupId>de.tr7zw</groupId>
   <artifactId>item-nbt-api-plugin</artifactId>
-  <version>2.12.0</version>
+  <version>2.12.1-SNAPSHOT</version>
 </dependency>
 [/CODE]
 [/SPOILER]
@@ -122,7 +122,7 @@ Using this method the API gets copied into your plugin. Server owners don't have
 <dependency>
   <groupId>de.tr7zw</groupId>
   <artifactId>item-nbt-api</artifactId>
-  <version>2.12.0</version>
+  <version>2.12.1-SNAPSHOT</version>
 </dependency>
 ...
     <plugins>