diff --git a/build.gradle b/build.gradle
index c6b69528..57e98633 100755
--- a/build.gradle
+++ b/build.gradle
@@ -61,7 +61,7 @@ configurations {
 dependencies {
     compile 'org.projectlombok:lombok:1.16.4'
 
-    compile 'org.spongepowered:mixin:0.4.3'
+    compile 'org.spongepowered:mixin:0.6.4-SNAPSHOT'
     shade 'com.googlecode.mp4parser:isoparser:1.1.7'
     shade 'org.apache.commons:commons-exec:1.3'
     shade 'com.google.apis:google-api-services-youtube:v3-rev178-1.22.0'
diff --git a/src/main/resources/mixins.compat.shaders.replaymod.json b/src/main/resources/mixins.compat.shaders.replaymod.json
index eea17922..5919e87f 100644
--- a/src/main/resources/mixins.compat.shaders.replaymod.json
+++ b/src/main/resources/mixins.compat.shaders.replaymod.json
@@ -8,5 +8,6 @@
     "MixinShaderRenderChunk",
     "MixinShaderRenderGlobal"
   ],
+  "compatibilityLevel": "JAVA_8",
   "refmap": "mixins.replaymod.refmap.json"
 }
\ No newline at end of file
diff --git a/src/main/resources/mixins.recording.replaymod.json b/src/main/resources/mixins.recording.replaymod.json
index 26e2126d..95a6738d 100644
--- a/src/main/resources/mixins.recording.replaymod.json
+++ b/src/main/resources/mixins.recording.replaymod.json
@@ -9,5 +9,6 @@
     "MixinNetworkDispatcher",
     "MixinRenderGlobal"
   ],
+  "compatibilityLevel": "JAVA_8",
   "refmap": "mixins.replaymod.refmap.json"
 }
\ No newline at end of file
diff --git a/src/main/resources/mixins.render.replaymod.json b/src/main/resources/mixins.render.replaymod.json
index 164a61d2..de808884 100644
--- a/src/main/resources/mixins.render.replaymod.json
+++ b/src/main/resources/mixins.render.replaymod.json
@@ -11,5 +11,6 @@
   ],
   "server": [],
   "client": [],
+  "compatibilityLevel": "JAVA_8",
   "refmap": "mixins.replaymod.refmap.json"
 }
\ No newline at end of file
diff --git a/src/main/resources/mixins.replay.replaymod.json b/src/main/resources/mixins.replay.replaymod.json
index 2c1453f8..0bd237a7 100644
--- a/src/main/resources/mixins.replay.replaymod.json
+++ b/src/main/resources/mixins.replay.replaymod.json
@@ -15,5 +15,6 @@
   ],
   "server": [],
   "client": [],
+  "compatibilityLevel": "JAVA_8",
   "refmap": "mixins.replaymod.refmap.json"
 }
\ No newline at end of file