diff --git a/modules/API/pom.xml b/modules/API/pom.xml
index f548790d..d00b4114 100644
--- a/modules/API/pom.xml
+++ b/modules/API/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>ProtocolLib-API</artifactId>
   <name>ProtocolLib-API</name>
-  <version>4.0</version>
+  <version>4.0-SNAPSHOT</version>
 
   <description>Provides read/write access to the Minecraft protocol.</description>
   <url>http://www.spigotmc.org/resources/protocollib.1997/</url>
diff --git a/modules/ProtocolLib/pom.xml b/modules/ProtocolLib/pom.xml
index c8233be5..c602fe06 100644
--- a/modules/ProtocolLib/pom.xml
+++ b/modules/ProtocolLib/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <artifactId>ProtocolLib</artifactId>
   <name>ProtocolLib</name>
-  <version>4.0.0</version>
+  <version>4.0.1-SNAPSHOT</version>
 
   <description>Provides read/write access to the Minecraft protocol.</description>
   <url>http://www.spigotmc.org/resources/protocollib.1997/</url>
@@ -222,7 +222,7 @@
     <dependency>
       <groupId>com.comphenix.protocol</groupId>
       <artifactId>ProtocolLib-API</artifactId>
-      <version>4.0</version>
+      <version>4.0-SNAPSHOT</version>
     </dependency>
     <!-- Included with Minecraft
     <dependency>