diff --git a/build.gradle b/build.gradle
index a262d740..397ecab8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -134,6 +134,7 @@ processResources
     from(sourceSets.main.resources.srcDirs) {
         exclude 'mcmod.info'
     }
+	exclude '**/Thumbs.db'
 }
 
 task sourceJar(type: Jar) {
diff --git a/build.properties b/build.properties
index d2727646..4c3fce89 100644
--- a/build.properties
+++ b/build.properties
@@ -1,7 +1,7 @@
 minecraft.version=1.7.10
 forge.version=10.13.4.1566-1.7.10
 
-gt.version=5.09.26pre
+gt.version=5.09.27pre
 
 ae2.version=rv2-beta-33
 applecore.version=1.7.10-1.2.1+107.59407