diff --git a/gradle.properties b/gradle.properties
index f771bbd..22c76bb 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,14 +4,14 @@ org.gradle.parallel=true
 
 # Fabric Properties
 # check these on https://fabricmc.net/develop
-minecraft_version=1.20.6
-yarn_mappings=1.20.6+build.3
+minecraft_version=1.21
+yarn_mappings=1.21+build.2
 loader_version=0.15.11
 
 # Mod Properties
-mod_version=1.2-1.20.6
+mod_version=1.2-1.21
 maven_group=com.syco
 archives_base_name=deepslatetweaks-fabric
 
 # Dependencies
-fabric_version=0.100.2+1.20.6
\ No newline at end of file
+fabric_version=0.100.3+1.21
\ No newline at end of file
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index a949d23..d49aa2f 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -31,7 +31,7 @@
 	],
 	"depends": {
 		"fabricloader": ">=0.15.11",
-		"minecraft": "~1.20.6",
+		"minecraft": "~1.21",
 		"java": ">=21",
 		"fabric-api": "*"
 	},