diff --git a/build.gradle b/build.gradle
index d169399a8..46a160453 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,7 @@ buildscript {
 
 allprojects {
     group = 'com.sk89q.worldedit'
-    version = '6.1.8-SNAPSHOT'
+    version = '6.1.9-SNAPSHOT'
 }
 
 if (!project.hasProperty("artifactory_contextUrl")) ext.artifactory_contextUrl = "http://localhost"
diff --git a/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R1.class b/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R1.class
index 57bbbdcb7..18c65486b 100644
Binary files a/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R1.class and b/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R1.class differ
diff --git a/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R2.class b/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R2.class
new file mode 100644
index 000000000..4f8ddbc79
Binary files /dev/null and b/worldedit-bukkit/src/main/resources/com/sk89q/worldedit/bukkit/adapter/impl/Spigot_v1_12_R2.class differ
diff --git a/worldedit-forge/build.gradle b/worldedit-forge/build.gradle
index 1a60e0482..99f981f45 100644
--- a/worldedit-forge/build.gradle
+++ b/worldedit-forge/build.gradle
@@ -7,7 +7,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'net.minecraftforge.gradle:ForgeGradle:2.2-SNAPSHOT'
+        classpath 'net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT'
     }
 }
 
@@ -26,11 +26,11 @@ repositories {
     }
 }
 
-ext.forgeVersion = "13.20.1.2386"
+ext.forgeVersion = "14.21.1.2443"
 
 minecraft {
-    version = "1.11.2-${project.forgeVersion}"
-    mappings = "stable_32"
+    version = "1.12-${project.forgeVersion}"
+    mappings = "snapshot_20170801"
     runDir = 'run'
 
     replaceIn "com/sk89q/worldedit/forge/ForgeWorldEdit.java"