diff --git a/build.gradle b/build.gradle
index f2f75036..32ff55a2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,6 +8,11 @@ buildscript {
         classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.3'
         classpath 'org.ajoberstar:grgit:1.7.0'
     }
+    configurations.all {
+        resolutionStrategy {
+            force 'org.ow2.asm:asm:6.0_BETA'
+        }
+    }
 }
 
 task setupCIWorkspace {
diff --git a/forge112/build.gradle b/forge112/build.gradle
index db1316d8..e6c1bd3b 100644
--- a/forge112/build.gradle
+++ b/forge112/build.gradle
@@ -17,7 +17,7 @@ apply plugin: 'com.github.johnrengelman.shadow'
 
 dependencies {
     compile project(':core')
-    compile 'org.spongepowered:spongeapi:3.1.0-SNAPSHOT'
+    compile 'org.spongepowered:spongeapi:6.0.0-SNAPSHOT'
     compile 'com.sk89q.worldedit:worldedit-forge-mc1.8.9:6.1.1'
 }
 
@@ -39,8 +39,8 @@ repositories {
     }
 }
 minecraft {
-    version = "1.12-14.21.1.2410"
-    mappings = "snapshot_20170713"
+    version = "1.12.2-14.23.0.2532"
+    mappings = "snapshot_20171108"
     runDir = 'run'
 }
 
diff --git a/sponge/build.gradle b/sponge/build.gradle
index 4d6fdbee..9009d955 100644
--- a/sponge/build.gradle
+++ b/sponge/build.gradle
@@ -56,7 +56,7 @@ dependencies {
 
 minecraft {
     version = "1.12"
-    mappings = "snapshot_20170713"
+    mappings = "snapshot_20171108"
     runDir = 'run'
 }