diff --git a/dependencies.gradle b/dependencies.gradle
index 6bba63fb1..2400cc903 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -76,7 +76,7 @@ dependencies {
 
     // Iris Shaders
     compileOnly('org.jetbrains:annotations:26.0.2')
-    api("com.github.GTNewHorizons:GTNHLib:0.11.4:dev")
+    api("com.github.GTNewHorizons:GTNHLib:0.11.19:dev")
 
     shadowImplementation(project(":glsm")) { transitive = false }
     shadowImplementation(project(":lwjgl3-backend")) { transitive = false }
@@ -173,6 +173,9 @@ dependencies {
             testImplementation('org.junit.platform:junit-platform-launcher')
 
             testImplementation('com.tngtech.archunit:archunit-junit5:1.4.1')
+
+            testRuntimeOnly("it.unimi.dsi:fastutil:8.5.18")
+            testRuntimeOnly("org.joml:joml:1.10.8")
         }
     }
 
diff --git a/glsm/build.gradle.kts b/glsm/build.gradle.kts
index 3610c5ee5..92d7288d1 100644
--- a/glsm/build.gradle.kts
+++ b/glsm/build.gradle.kts
@@ -96,6 +96,8 @@ dependencies {
     // Deps (normally from MC) - compile only, but needed at test runtime
     compileOnly("com.google.guava:guava:${property("guavaVersion")}")
     testRuntimeOnly("com.google.guava:guava:${property("guavaVersion")}")
+    testRuntimeOnly("it.unimi.dsi:fastutil:${property("fastutilVersion")}")
+    testRuntimeOnly("org.joml:joml:${property("jomlVersion")}") { isTransitive = false }
 
     // Test
     testImplementation(sourceSets["stubs"].output)
diff --git a/glsm/gradle.properties b/glsm/gradle.properties
index 4591962cc..1977e15aa 100644
--- a/glsm/gradle.properties
+++ b/glsm/gradle.properties
@@ -4,7 +4,9 @@ celeritasVersion = 2.5.3-GTNH
 lombokVersion = 1.18.42
 log4jVersion = 2.0-beta9
 guavaVersion = 18.0
-gtnhlibVersion = 0.10.0
+gtnhlibVersion = 0.11.19
+fastutilVersion = 8.5.18
+jomlVersion = 1.10.8
 glslTransformLibVersion = 0.2.0-26.g5ee7d96-GTNH
 antlr4RuntimeVersion = 4.13.2
 jcppVersion = 1.4.14
diff --git a/lwjgl3-backend/build.gradle.kts b/lwjgl3-backend/build.gradle.kts
index 80df37516..14b824f68 100644
--- a/lwjgl3-backend/build.gradle.kts
+++ b/lwjgl3-backend/build.gradle.kts
@@ -34,6 +34,10 @@ repositories {
         name = "GTNH Maven"
         url = uri("https://nexus.gtnewhorizons.com/repository/public/")
     }
+    maven {
+        name = "Minecraft Libraries"
+        url = uri("https://libraries.minecraft.net")
+    }
     maven {
         name = "Forge"
         url = uri("https://maven.minecraftforge.net/")
diff --git a/src/main/java/net/coderbot/iris/shaderpack/PackRenderTargetDirectives.java b/src/main/java/net/coderbot/iris/shaderpack/PackRenderTargetDirectives.java
index 3276e564e..039f6f9e9 100644
--- a/src/main/java/net/coderbot/iris/shaderpack/PackRenderTargetDirectives.java
+++ b/src/main/java/net/coderbot/iris/shaderpack/PackRenderTargetDirectives.java
@@ -55,7 +55,7 @@ public class PackRenderTargetDirectives {
 
 		renderTargetSettings.forEach((index, settings) -> {
 			if (settings.shouldClear()) {
-				buffersToBeCleared.add(index.intValue());
+				buffersToBeCleared.add(index);
 			}
 		});