diff --git a/gradle.properties b/gradle.properties
index 6080a184..9551a36d 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,7 @@ org.gradle.jvmargs=-Xmx1G
 	loader_version=0.10.8
 
 # Mod Properties
-	mod_version = 1.4.20+v201202
+	mod_version = 1.4.21+v201216
 	maven_group = carpet
 	archives_base_name = fabric-carpet
 
diff --git a/src/main/java/carpet/CarpetSettings.java b/src/main/java/carpet/CarpetSettings.java
index 78257a10..172a3cb8 100644
--- a/src/main/java/carpet/CarpetSettings.java
+++ b/src/main/java/carpet/CarpetSettings.java
@@ -36,7 +36,7 @@ import static carpet.settings.RuleCategory.CLIENT;
 @SuppressWarnings("CanBeFinal")
 public class CarpetSettings
 {
-    public static final String carpetVersion = "1.4.20+v201202";
+    public static final String carpetVersion = "1.4.21+v201216";
     public static final Logger LOG = LogManager.getLogger("carpet");
     public static boolean skipGenerationChecks = false;
     public static boolean impendingFillSkipUpdates = false;
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index c8144ace..be2c43ff 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -1,7 +1,7 @@
 {
   "schemaVersion": 1,
   "id": "carpet",
-  "version": "1.4.20",
+  "version": "1.4.21",
 
   "name": "Carpet Mod in Fabric",
   "description": "Carpet made out of fabric",