diff --git a/build.gradle b/build.gradle
index 11fd16be..1d74a1c7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -57,8 +57,7 @@ processResources {
 }
 
 tasks.withType(JavaCompile).configureEach {
-	// Minecraft 1.18 (1.18-pre2) upwards uses Java 17.
-	it.options.release = 17
+	it.options.release = 21
 }
 
 tasks.register('sourcesJar', Jar) {
diff --git a/gradle.properties b/gradle.properties
index 4b04bdda..5ca57008 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,15 +1,15 @@
 # suppress inspection "AlphaUnsortedPropertiesFile" for whole file
 # Done to increase the memory available to gradle.
-org.gradle.jvmargs=-Xmx2G
+org.gradle.jvmargs=-Xmx4G
 # Fabric Properties
 # check these on https://modmuss50.me/fabric.html
-minecraft_version=1.21
-yarn_mappings=1.21+build.9
+minecraft_version=1.21.1
+yarn_mappings=1.21.1+build.3
 loader_version=0.16.0
 # Mod Properties
-mod_version=1.10.1
+mod_version=1.10.2
 maven_group=net.cyberflame
 archives_base_name=viewmodel
 # Dependencies
 # check this on https://modmuss50.me/fabric.html
-fabric_version=0.100.7+1.21
+fabric_version=0.102.1+1.21.1
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index cc3af3dc..fc584939 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -24,7 +24,7 @@
   ],
   "depends": {
     "fabricloader": ">=0.15.1",
-    "minecraft": "~1.21",
+    "minecraft": "~1.21.1",
     "java": ">=21",
     "fabric-api": "*"
   }
diff --git a/src/main/resources/viewmodel.mixins.json b/src/main/resources/viewmodel.mixins.json
index c9542e57..92c2acec 100644
--- a/src/main/resources/viewmodel.mixins.json
+++ b/src/main/resources/viewmodel.mixins.json
@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "net.cyberflame.viewmodel.mixin",
-  "compatibilityLevel": "JAVA_17",
+  "compatibilityLevel": "JAVA_21",
   "mixins": [
     "MixinHeldItemRenderer",
     "MixinKeyboard"