diff --git a/build.gradle b/build.gradle
index da3ef98823..f51a54d0f5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -291,7 +291,7 @@ project(':forge') {
         installer 'cpw.mods:modlauncher:0.11.+'
         installer 'net.minecraftforge:accesstransformers:0.15.+:shadowed'
         installer 'net.minecraftforge:eventbus:0.8.+:service'
-        installer 'net.minecraftforge:forgespi:0.10.+'
+        installer 'net.minecraftforge:forgespi:0.11.+'
         installer 'net.minecraftforge:coremods:0.4.+'
         installer 'net.minecraftforge:unsafe:0.2.+'
         installer 'com.electronwill.night-config:core:3.4.2'
diff --git a/src/fmllauncher/java/net/minecraftforge/fml/loading/FMLLoader.java b/src/fmllauncher/java/net/minecraftforge/fml/loading/FMLLoader.java
index 7ecd41651d..1d7a85d5df 100644
--- a/src/fmllauncher/java/net/minecraftforge/fml/loading/FMLLoader.java
+++ b/src/fmllauncher/java/net/minecraftforge/fml/loading/FMLLoader.java
@@ -31,6 +31,7 @@ import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.fml.loading.moddiscovery.BackgroundScanHandler;
 import net.minecraftforge.fml.loading.moddiscovery.ModDiscoverer;
 import net.minecraftforge.fml.loading.moddiscovery.ModFile;
+import net.minecraftforge.forgespi.Environment;
 import net.minecraftforge.forgespi.coremod.ICoreModProvider;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -124,6 +125,13 @@ public class FMLLoader
         final Package coremodPackage = coreModProvider.getClass().getPackage();
         LOGGER.debug(CORE,"FML found CoreMod version : {}", coremodPackage.getImplementationVersion());
 
+
+        LOGGER.debug(CORE, "Found ForgeSPI package implementation version {}", Environment.class.getPackage().getImplementationVersion());
+        LOGGER.debug(CORE, "Found ForgeSPI package specification {}", Environment.class.getPackage().getSpecificationVersion());
+        if (Integer.parseInt(Environment.class.getPackage().getSpecificationVersion()) < 2) {
+            throw new IncompatibleEnvironmentException("ForgeSPI is out of date, we cannot continue");
+        }
+
         try {
             Class.forName("com.electronwill.nightconfig.core.Config", false, environment.getClass().getClassLoader());
             Class.forName("com.electronwill.nightconfig.toml.TomlFormat", false, environment.getClass().getClassLoader());