diff --git a/.idea/runConfigurations/Minecraft_Server.xml b/.idea/runConfigurations/Minecraft_Server.xml
index c4ae658..3414845 100644
--- a/.idea/runConfigurations/Minecraft_Server.xml
+++ b/.idea/runConfigurations/Minecraft_Server.xml
@@ -12,5 +12,5 @@
       
     </envs>
     <shortenClasspath name="ARGS_FILE"/>
-  <classpathModifications><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.apache.httpcomponents\httpcore\4.4.16\51cf043c87253c9f58b539c9f7e44c8894223850\httpcore-4.4.16.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.mojang\text2speech\1.17.9\3cad216e3a7f0c19b4b394388bc9ffc446f13b14\text2speech-1.17.9.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.jcraft\jorbis\0.0.17\8872d22b293e8f5d7d56ff92be966e6dc28ebdc6\jorbis-0.0.17.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl\3.3.3\29589b5f87ed335a6c7e7ee6a5775f81f97ecb84\lwjgl-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\commons-codec\commons-codec\1.16.0\4e3eb3d79888d76b54e28b350915b5dc3919c9de\commons-codec-1.16.0.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-stb\3.3.3\25dd6161988d7e65f71d5065c99902402ee32746\lwjgl-stb-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-opengl\3.3.3\2f6b0147078396a58979125a4c947664e98293a\lwjgl-opengl-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.apache.httpcomponents\httpclient\4.5.13\e5f6cae5ca7ecaac1ec2827a9e2d65ae2869cada\httpclient-4.5.13.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-tinyfd\3.3.3\82d755ca94b102e9ca77283b9e2dc46d1b15fbe5\lwjgl-tinyfd-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\commons-logging\commons-logging\1.2\4bfc12adfe4842bf07b657f0369c4cb522955686\commons-logging-1.2.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.ibm.icu\icu4j\73.2\61ad4ef7f9131fcf6d25c34b817f90d6da06c9e9\icu4j-73.2.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-openal\3.3.3\daada81ceb5fc0c291fbfdd4433cb8d9423577f2\lwjgl-openal-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-freetype\3.3.3\a0db6c84a8becc8ca05f9dbfa985edc348a824c7\lwjgl-freetype-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.mojang\patchy\2.2.10\da05971b07cbb379d002cf7eaec6a2048211fefc\patchy-2.2.10.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.mojang\blocklist\1.0.10\5c685c5ffa94c4cd39496c7184c1d122e515ecef\blocklist-1.0.10.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-glfw\3.3.3\efa1eb78c5ccd840e9f329717109b5e892d72f8e\lwjgl-glfw-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-jemalloc\3.3.3\b543467b7ff3c6920539a88ee602d34098628be5\lwjgl-jemalloc-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.apache.commons\commons-compress\1.26.0\659feffdd12280201c8aacb8f7be94f9a883c824\commons-compress-1.26.0.jar"/></classpathModifications></configuration>
+  <classpathModifications><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-openal\3.3.3\daada81ceb5fc0c291fbfdd4433cb8d9423577f2\lwjgl-openal-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.mojang\blocklist\1.0.10\5c685c5ffa94c4cd39496c7184c1d122e515ecef\blocklist-1.0.10.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-stb\3.3.3\25dd6161988d7e65f71d5065c99902402ee32746\lwjgl-stb-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.apache.httpcomponents\httpclient\4.5.13\e5f6cae5ca7ecaac1ec2827a9e2d65ae2869cada\httpclient-4.5.13.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.mojang\text2speech\1.17.9\3cad216e3a7f0c19b4b394388bc9ffc446f13b14\text2speech-1.17.9.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-glfw\3.3.3\efa1eb78c5ccd840e9f329717109b5e892d72f8e\lwjgl-glfw-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-jemalloc\3.3.3\b543467b7ff3c6920539a88ee602d34098628be5\lwjgl-jemalloc-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-opengl\3.3.3\2f6b0147078396a58979125a4c947664e98293a\lwjgl-opengl-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.apache.httpcomponents\httpcore\4.4.16\51cf043c87253c9f58b539c9f7e44c8894223850\httpcore-4.4.16.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-freetype\3.3.3\a0db6c84a8becc8ca05f9dbfa985edc348a824c7\lwjgl-freetype-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.apache.commons\commons-compress\1.26.0\659feffdd12280201c8aacb8f7be94f9a883c824\commons-compress-1.26.0.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.ibm.icu\icu4j\73.2\61ad4ef7f9131fcf6d25c34b817f90d6da06c9e9\icu4j-73.2.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl\3.3.3\29589b5f87ed335a6c7e7ee6a5775f81f97ecb84\lwjgl-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\com.mojang\patchy\2.2.10\da05971b07cbb379d002cf7eaec6a2048211fefc\patchy-2.2.10.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\commons-logging\commons-logging\1.2\4bfc12adfe4842bf07b657f0369c4cb522955686\commons-logging-1.2.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.jcraft\jorbis\0.0.17\8872d22b293e8f5d7d56ff92be966e6dc28ebdc6\jorbis-0.0.17.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\org.lwjgl\lwjgl-tinyfd\3.3.3\82d755ca94b102e9ca77283b9e2dc46d1b15fbe5\lwjgl-tinyfd-3.3.3.jar"/><entry exclude="true" path="C:\Users\yuuki\.gradle\caches\modules-2\files-2.1\commons-codec\commons-codec\1.16.0\4e3eb3d79888d76b54e28b350915b5dc3919c9de\commons-codec-1.16.0.jar"/></classpathModifications></configuration>
 </component>
\ No newline at end of file
diff --git a/README.md b/README.md
index 171f258..4f0e9aa 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ This mod's config file is `betterpingdisplay.json`. It contains the following op
 * **1.18.x**
 * **1.19.x**
 * **1.20.x**
+* **1.21.x**
 
 ## Requirements
 * [Fabric](https://fabricmc.net/)
diff --git a/build.gradle b/build.gradle
index dc95a46..2799d1f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,7 +32,7 @@ tasks.withType(JavaCompile) {
 }
 
 tasks.withType(JavaCompile).configureEach {
-	it.options.release = 17
+	it.options.release = 21
 }
 
 jar {
diff --git a/gradle.properties b/gradle.properties
index 6b59b74..34f362b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,14 +3,14 @@ org.gradle.jvmargs=-Xmx1G
 
 # Fabric Properties
 # check these on https://fabricmc.net/use
-minecraft_version=1.20.6
-yarn_mappings=1.20.6+build.1
-loader_version=0.15.10
+minecraft_version=1.21
+yarn_mappings=1.21+build.2
+loader_version=0.15.11
 
 # Mod Properties
-mod_version = 1.1.3
+mod_version = 1.1.4.2
 maven_group = com.vladmarica
 archives_base_name = BetterPingDisplay-Fabric
 
 # Dependencies
-fabric_version=0.97.8+1.20.6
+fabric_version=0.100.1+1.21
diff --git a/settings.gradle b/settings.gradle
index 5b60df3..f91a4fe 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,6 +1,5 @@
 pluginManagement {
     repositories {
-        jcenter()
         maven {
             name = 'Fabric'
             url = 'https://maven.fabricmc.net/'