diff --git a/dependencies.gradle b/dependencies.gradle
index 11ffa3c4..eb1f1ba2 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -34,7 +34,7 @@ dependencies {
 
     compileOnly("com.github.GTNewHorizons:NotEnoughItems:2.6.22-GTNH:dev")
     compileOnly("com.github.GTNewHorizons:Hodgepodge:2.5.42:dev") { transitive = false }
-    compileOnly("com.github.GTNewHorizons:GT5-Unofficial:5.09.48.150:dev") { transitive = false }
+    compileOnly("com.github.GTNewHorizons:GT5-Unofficial:5.09.49.56:dev") { transitive = false }
     compileOnly("thaumcraft:Thaumcraft:1.7.10-4.2.3.5:dev")
 
     //runtimeOnlyNonPublishable("com.github.GTNewHorizons:NotEnoughItems:2.6.22-GTNH:dev")
diff --git a/src/main/java/com/cleanroommc/modularui/utils/fluid/FluidInteractions.java b/src/main/java/com/cleanroommc/modularui/utils/fluid/FluidInteractions.java
index 11a8c895..e885b835 100644
--- a/src/main/java/com/cleanroommc/modularui/utils/fluid/FluidInteractions.java
+++ b/src/main/java/com/cleanroommc/modularui/utils/fluid/FluidInteractions.java
@@ -4,7 +4,7 @@
 import static com.cleanroommc.modularui.ModularUI.isNEILoaded;
 
 import codechicken.nei.recipe.StackInfo;
-import gregtech.api.util.GT_Utility;
+import gregtech.api.util.GTUtility;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.fluids.FluidContainerRegistry;
 import net.minecraftforge.fluids.FluidStack;
@@ -27,7 +27,7 @@ public static FluidStack getFluidForRealItem(ItemStack itemStack) {
             fluidStack = StackInfo.getFluid(itemStack);
         }
         if (isGT5ULoaded && fluidStack == null) {
-            fluidStack = GT_Utility.getFluidForFilledItem(itemStack, true);
+            fluidStack = GTUtility.getFluidForFilledItem(itemStack, true);
         }
         return fluidStack;
     }
@@ -47,7 +47,7 @@ public static FluidStack getFluidForPhantomItem(ItemStack itemStack) {
             fluidStack = StackInfo.getFluid(itemStack.copy());
         }
         if (isGT5ULoaded && fluidStack == null) {
-            fluidStack = GT_Utility.getFluidForFilledItem(itemStack, true);
+            fluidStack = GTUtility.getFluidForFilledItem(itemStack, true);
         }
         return fluidStack;
     }
@@ -67,7 +67,7 @@ public static ItemStack fillFluidContainer(FluidStack fluidStack, ItemStack item
 
     public static ItemStack fillFluidContainerWithoutIFluidContainerItem(FluidStack fluidStack, ItemStack itemStack) {
         if (isGT5ULoaded) {
-            return GT_Utility.fillFluidContainer(fluidStack, itemStack, true, false);
+            return GTUtility.fillFluidContainer(fluidStack, itemStack, true, false);
         }
         return null;
     }
@@ -97,7 +97,7 @@ public static ItemStack getContainerForFilledItem(ItemStack itemStack) {
 
     public static ItemStack getContainerForFilledItemWithoutIFluidContainerItem(ItemStack itemStack) {
         if (isGT5ULoaded) {
-            return GT_Utility.getContainerForFilledItem(itemStack, false);
+            return GTUtility.getContainerForFilledItem(itemStack, false);
         }
         return null;
     }
diff --git a/src/main/java/com/cleanroommc/modularui/widgets/FluidSlot.java b/src/main/java/com/cleanroommc/modularui/widgets/FluidSlot.java
index 3da0888c..a00f3c70 100644
--- a/src/main/java/com/cleanroommc/modularui/widgets/FluidSlot.java
+++ b/src/main/java/com/cleanroommc/modularui/widgets/FluidSlot.java
@@ -22,7 +22,7 @@
 import com.cleanroommc.modularui.value.sync.SyncHandler;
 import com.cleanroommc.modularui.value.sync.ValueSyncHandler;
 import com.cleanroommc.modularui.widget.Widget;
-import gregtech.api.util.GT_Utility;
+import gregtech.api.util.GTUtility;
 import net.minecraft.client.Minecraft;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.fluids.FluidContainerRegistry;
@@ -274,7 +274,7 @@ protected void setPhantomValue(@NotNull ItemStack draggedStack) {
     @Override
     public @Nullable ItemStack getStackForNEI() {
         if (isGT5ULoaded) {
-            return GT_Utility.getFluidDisplayStack(getFluidStack(), false);
+            return GTUtility.getFluidDisplayStack(getFluidStack(), false);
         }
         return null;
     }
diff --git a/src/main/java/com/cleanroommc/modularui/widgets/FluidSlotLong.java b/src/main/java/com/cleanroommc/modularui/widgets/FluidSlotLong.java
index a118b1c1..ee7167d0 100644
--- a/src/main/java/com/cleanroommc/modularui/widgets/FluidSlotLong.java
+++ b/src/main/java/com/cleanroommc/modularui/widgets/FluidSlotLong.java
@@ -12,7 +12,7 @@
 
 import com.cleanroommc.modularui.widget.Widget;
 
-import gregtech.api.util.GT_Utility;
+import gregtech.api.util.GTUtility;
 
 import net.minecraft.client.Minecraft;
 import net.minecraft.item.ItemStack;
@@ -291,7 +291,7 @@ protected void setPhantomValue(@NotNull ItemStack draggedStack) {
     @Override
     public @Nullable ItemStack getStackForNEI() {
         if (isGT5ULoaded) {
-            return GT_Utility.getFluidDisplayStack(getFluidStack(), false);
+            return GTUtility.getFluidDisplayStack(getFluidStack(), false);
         }
         return null;
     }