diff --git a/item-nbt-api/pom.xml b/item-nbt-api/pom.xml
index 1c34d6fd3..9fb28ec75 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>2.13.0</version>
+    <version>2.13.1-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 01501b9e7..c8ac9f618 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
@@ -39,7 +39,7 @@ public enum MinecraftVersion {
     private static Logger logger = Logger.getLogger("NBTAPI");
 
     // NBT-API Version
-    protected static final String VERSION = "2.13.0";
+    protected static final String VERSION = "2.13.1-SNAPSHOT";
 
     private final int versionId;
     private final boolean mojangMapping;
diff --git a/item-nbt-plugin/pom.xml b/item-nbt-plugin/pom.xml
index 5991463bd..497650a55 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>2.13.0</version>
+    <version>2.13.1-SNAPSHOT</version>
   </parent>
   <artifactId>item-nbt-api-plugin</artifactId>
   <packaging>jar</packaging>
@@ -12,7 +12,7 @@
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>item-nbt-api</artifactId>
-      <version>2.13.0</version>
+      <version>2.13.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
diff --git a/mappings-parser/pom.xml b/mappings-parser/pom.xml
index dcb3c4c95..c813ca34a 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>2.13.0</version>
+    <version>2.13.1-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>2.13.0</version>
+      <version>2.13.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
diff --git a/nbt-data-api/pom.xml b/nbt-data-api/pom.xml
index 893a011e6..5207552b5 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>2.13.0</version>
+    <version>2.13.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>nbt-data-api</artifactId>
@@ -14,7 +14,7 @@
     <dependency>
       <groupId>de.tr7zw</groupId>
       <artifactId>item-nbt-api</artifactId>
-      <version>2.13.0</version>
+      <version>2.13.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
   </dependencies>
diff --git a/nbt-injector/pom.xml b/nbt-injector/pom.xml
index 10b287448..971fc77b1 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>2.13.0</version>
+    <version>2.13.1-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>2.13.0</version>
+      <version>2.13.1-SNAPSHOT</version>
       <scope>compile</scope>
     </dependency>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 5b90eb193..965d5cf15 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>2.13.0</version>
+  <version>2.13.1-SNAPSHOT</version>
   <packaging>pom</packaging>
   <inceptionYear>2015</inceptionYear>
   <organization>
diff --git a/spigot.bb b/spigot.bb
index 2d3161c0f..3a3b2ba59 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>2.13.0</version>
+  <version>2.13.1-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>2.13.0</version>
+  <version>2.13.1-SNAPSHOT</version>
 </dependency>
 ...
     <plugins>