diff --git a/gradle.properties b/gradle.properties
index 574a3de79..e17895170 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,9 +7,9 @@ aebasename=appliedenergistics2
 #########################################################
 # Versions                                              #
 #########################################################
-minecraft_version=1.11
+minecraft_version=1.11.2
 mcp_mappings=snapshot_20161206
-forge_version=13.19.1.2189
+forge_version=13.20.0.2310
 
 #########################################################
 # Installable                                           #
@@ -19,7 +19,8 @@ waila_version=1.7.0-B3_1.9.4
 #########################################################
 # Provided APIs                                         #
 #########################################################
-jei_version=4.0.4.199
+jei_version=4.3.6.282
 tesla_version=1.11-1.3.0.51
-ic2_version=2.6.99-ex110
-top_version=1.11-1.3.3-46
\ No newline at end of file
+ic2_version=2.7.57-ex111
+top_version=1.11-1.3.3-46
+compatlayer_version=1.11.2-0.2.9
diff --git a/gradle/scripts/dependencies.gradle b/gradle/scripts/dependencies.gradle
index 7bc917558..938cc5fb1 100644
--- a/gradle/scripts/dependencies.gradle
+++ b/gradle/scripts/dependencies.gradle
@@ -43,6 +43,11 @@ repositories {
         name 'tterrag maven'
         url "http://maven.tterrag.com/"
     }
+    
+    maven { // McJtyLib
+        name 'mcjty'
+        url "http://maven.k-4u.nl/"
+    }
 }
 
 configurations {
@@ -54,6 +59,7 @@ dependencies {
     //mods "mcp.mobius.waila:Waila:${waila_version}"
     //mods "net.industrial-craft:industrialcraft-2:${ic2_version}:dev"
     mods "mcjty.theoneprobe:TheOneProbe:${top_version}"
+    mods "com.github.mcjty:compatlayer:${compatlayer_version}"
 
     // compile against provided APIs
     compileOnly "mezz.jei:jei_${minecraft_version}:${jei_version}:api"
diff --git a/gradle/scripts/optional.gradle b/gradle/scripts/optional.gradle
index ebb67eafb..9cd2f9973 100644
--- a/gradle/scripts/optional.gradle
+++ b/gradle/scripts/optional.gradle
@@ -42,8 +42,19 @@ task deinstallIC2(type: Delete) {
     delete fileTree(dir: minecraft.runDir + "/mods", include: "*industrialcraft-2*.jar")
 }
 
+// COMPATLAYER
+task installCompatLayer(type: Copy, dependsOn: "deinstallCompatLayer") {
+    from { configurations.mods }
+    include "**/*compatlayer*.jar"
+    into file(minecraft.runDir + "/mods")
+}
+
+task deinstallCompatLayer(type: Delete) {
+    delete fileTree(dir: minecraft.runDir + "/mods", include: "*compatlayer*.jar")
+}
+
 // TOP
-task installTop(type: Copy, dependsOn: "deinstallTop") {
+task installTop(type: Copy, dependsOn: ["deinstallTop", "installCompatLayer"]) {
     from { configurations.mods }
     include "**/*TheOneProbe*.jar"
     into file(minecraft.runDir + "/mods")