diff --git a/.github/workflows/build-on-pr.yml b/.github/workflows/build-on-pr.yml
index aefc12e..85ec7ed 100644
--- a/.github/workflows/build-on-pr.yml
+++ b/.github/workflows/build-on-pr.yml
@@ -3,10 +3,7 @@
 
 name: Pull Request Builds
 
-on:
-  pull_request:
-    paths:
-    - "src/**"
+on: [pull_request]
 
 jobs:
   Build:
@@ -15,10 +12,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+    - name: Set up JDK 16
+      uses: actions/setup-java@v2
       with:
-        java-version: 1.8
+        distribution: 'adopt'
+        java-version: 16
     - name: Cache Gradle packages
       uses: actions/cache@v2
       with:
diff --git a/.github/workflows/devbuild.yml b/.github/workflows/devbuild.yml
index 21197a7..8482dcb 100644
--- a/.github/workflows/devbuild.yml
+++ b/.github/workflows/devbuild.yml
@@ -3,10 +3,7 @@
 
 name: Development Builds
 
-on:
-  push:
-    paths:
-    - "src/**"
+on: [push]
 
 jobs:
   Build:
@@ -15,10 +12,11 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
-      uses: actions/setup-java@v1
+    - name: Set up JDK 16
+      uses: actions/setup-java@v2
       with:
-        java-version: 1.8
+        distribution: 'adopt'
+        java-version: 16
     - name: Cache Gradle packages
       uses: actions/cache@v2
       with:
diff --git a/build.gradle b/build.gradle
index d088588..265a903 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-	id 'fabric-loom' version '0.6-SNAPSHOT'
+	id 'fabric-loom' version '0.8-SNAPSHOT'
 	id 'maven-publish'
 }
 
@@ -9,8 +9,8 @@ repositories {
 	}
 }
 
-sourceCompatibility = JavaVersion.VERSION_1_8
-targetCompatibility = JavaVersion.VERSION_1_8
+sourceCompatibility = JavaVersion.VERSION_16
+targetCompatibility = JavaVersion.VERSION_16
 
 archivesBaseName = project.archives_base_name
 version = project.minecraft_version+'-'+project.mod_version
@@ -35,13 +35,8 @@ dependencies {
 processResources {
 	inputs.property "version", project.version
 
-	from(sourceSets.main.resources.srcDirs) {
-		include "fabric.mod.json"
-		expand "version": project.version
-	}
-
-	from(sourceSets.main.resources.srcDirs) {
-		exclude "fabric.mod.json"
+	filesMatching("fabric.mod.json") {
+		expand "version": project.mod_version
 	}
 }
 
@@ -50,6 +45,9 @@ processResources {
 // see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
 tasks.withType(JavaCompile) {
 	options.encoding = "UTF-8"
+
+	// Minecraft 1.17 (21w19a) upwards uses Java 16.
+	it.options.release = 16
 }
 
 // Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
diff --git a/gradle.properties b/gradle.properties
index 08c7481..cccab10 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,14 +3,14 @@ org.gradle.jvmargs=-Xmx1G
 
 # Fabric Properties
 	# check these on https://fabricmc.net/use or https://modmuss50.me/fabric.html
-	minecraft_version=21w18a
-	yarn_mappings=21w18a+build.10
+	minecraft_version=1.17-pre2
+	yarn_mappings=1.17-pre2+build.5
 	loader_version=0.11.3
 	# check available versions on maven for the given minecraft version you are using
-	carpet_core_version=1.4.35+v210505
+	carpet_core_version=1.4.39+v210531
 
 # Mod Properties
-	mod_version = 1.4.35
+	mod_version = 1.4.39
 	maven_group = carpet-autocraftingtable
 	archives_base_name = carpet-autocraftingtable
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 4b7e1f3..e5338d3 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/java/carpet_autocraftingtable/mixins/CraftingInventoryMixin.java b/src/main/java/carpet_autocraftingtable/mixins/CraftingInventoryMixin.java
index 32331d3..9963f5f 100644
--- a/src/main/java/carpet_autocraftingtable/mixins/CraftingInventoryMixin.java
+++ b/src/main/java/carpet_autocraftingtable/mixins/CraftingInventoryMixin.java
@@ -4,11 +4,13 @@
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.collection.DefaultedList;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Mutable;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
 @Mixin(CraftingInventory.class)
 public interface CraftingInventoryMixin
 {
+    @Mutable
     @Accessor("stacks")
     void setInventory(DefaultedList<ItemStack> inventory);
 }
diff --git a/src/main/resources/carpet-autocraftingtablemodid.mixins.json b/src/main/resources/carpet-autocraftingtable.mixins.json
similarity index 87%
rename from src/main/resources/carpet-autocraftingtablemodid.mixins.json
rename to src/main/resources/carpet-autocraftingtable.mixins.json
index fe45ae8..66f7eb1 100644
--- a/src/main/resources/carpet-autocraftingtablemodid.mixins.json
+++ b/src/main/resources/carpet-autocraftingtable.mixins.json
@@ -1,7 +1,7 @@
 {
   "required": true,
   "package": "carpet_autocraftingtable.mixins",
-  "compatibilityLevel": "JAVA_8",
+  "compatibilityLevel": "JAVA_16",
   "mixins": [
     "CrashReport_noopMixin",
     "CraftingInventoryMixin",