diff --git a/README.md b/README.md
index da88676..fd32553 100644
--- a/README.md
+++ b/README.md
@@ -14,10 +14,12 @@ Add it as a dependency to your Gradle project:
 
 ```kotlin
 dependencies {
-    modImplementation("net.fabricmc:fabric-language-kotlin:1.12.3+kotlin.2.0.21")
+    modImplementation("net.fabricmc:fabric-language-kotlin:1.12.3+kotlin.2.1.0")
 }
 ```
 
+> **_NOTE:_** Kotlin 2.1 or later requires Loom 1.9 or later.
+
 ### Adapter
 
 Use the `kotlin` adapter for your mod by setting the `adapter` property in the `fabric.mod.json` file. 
@@ -35,7 +37,7 @@ Remember to the add a dependency entry to your `fabric.mod.json` file:
         ]
     },
     "depends": {
-        "fabric-language-kotlin": ">=1.12.3+kotlin.2.0.21"
+        "fabric-language-kotlin": ">=1.12.3+kotlin.2.1.0"
     }
 }
 ```
@@ -236,8 +238,8 @@ Companion objects can be used by appending `$Companion` to the class.
 ## Bundled libraries
 
 `org.jetbrains.kotlin` namespace:
-- **`kotlin-stdlib`** 2.0.21 [Docs](https://kotlinlang.org/docs/home.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/), [GitHub](https://github.com/JetBrains/kotlin)
-- **`kotlin-reflect`** 2.0.21 [Docs](https://kotlinlang.org/docs/reflection.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.reflect/)
+- **`kotlin-stdlib`** 2.1.0 [Docs](https://kotlinlang.org/docs/home.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/), [GitHub](https://github.com/JetBrains/kotlin)
+- **`kotlin-reflect`** 2.1.0 [Docs](https://kotlinlang.org/docs/reflection.html), [API docs](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.reflect/)
 
 `org.jetbrains.kotlinx` namespace:
 - **`kotlinx-coroutines-core`** 1.9.0 [Guide](https://kotlinlang.org/docs/coroutines-guide.html), [API docs](https://kotlin.github.io/kotlinx.coroutines/), [GitHub](https://github.com/Kotlin/kotlinx.coroutines)
@@ -245,10 +247,10 @@ Companion objects can be used by appending `$Companion` to the class.
 - **`kotlinx-serialization-core`** 1.7.3 [Guide](https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serialization-guide.md), [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-core/index.html), [GitHub](https://github.com/Kotlin/kotlinx.serialization)
 - **`kotlinx-serialization-json`** 1.7.3 [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-json/index.html)
 - **`kotlinx-serialization-cbor`** 1.7.3 [API docs](https://kotlin.github.io/kotlinx.serialization/kotlinx-serialization-cbor/index.html)
-- **`atomicfu`** 0.25.0 [GitHub](https://github.com/Kotlin/kotlinx.atomicfu)
+- **`atomicfu`** 0.26.1 [GitHub](https://github.com/Kotlin/kotlinx.atomicfu)
 - **`kotlinx-datetime`** 0.6.1 [GitHub](https://github.com/Kotlin/kotlinx-datetime)
-- **`kotlinx-io-core`** 0.5.4 [API docs](https://kotlin.github.io/kotlinx-io/kotlinx-io-core/index.html), [GitHub](https://github.com/Kotlin/kotlinx-io)
-- **`kotlinx-io-bytestring`** 0.5.4 [API docs](https://kotlin.github.io/kotlinx-io/kotlinx-io-bytestring/index.html)
+- **`kotlinx-io-core`** 0.6.0 [API docs](https://kotlin.github.io/kotlinx-io/kotlinx-io-core/index.html), [GitHub](https://github.com/Kotlin/kotlinx-io)
+- **`kotlinx-io-bytestring`** 0.6.0 [API docs](https://kotlin.github.io/kotlinx-io/kotlinx-io-bytestring/index.html)
 
 ## Available Versions
 
diff --git a/build.gradle b/build.gradle
index 5809e70..369f697 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,10 +6,10 @@ buildscript {
 }
 
 plugins {
-    id 'fabric-loom' version '1.4.4'
+    id 'fabric-loom' version '1.9.1'
     id 'maven-publish'
     id "com.diffplug.spotless" version "6.19.0"
-    id 'me.modmuss50.mod-publish-plugin' version '0.4.1'
+    id 'me.modmuss50.mod-publish-plugin' version '0.8.1'
 }
 
 apply plugin: "org.jetbrains.kotlin.jvm"
diff --git a/generated/kotlin_version.txt b/generated/kotlin_version.txt
index eb4d1bc..50aea0e 100644
--- a/generated/kotlin_version.txt
+++ b/generated/kotlin_version.txt
@@ -1 +1 @@
-2.0.21
\ No newline at end of file
+2.1.0
\ No newline at end of file
diff --git a/generated/library_versions.json b/generated/library_versions.json
index e98af7e..1650b51 100644
--- a/generated/library_versions.json
+++ b/generated/library_versions.json
@@ -1,16 +1,16 @@
 {
-    "org.jetbrains.kotlin:kotlin-stdlib": "2.0.21",
-    "org.jetbrains.kotlin:kotlin-stdlib-jdk8": "2.0.21",
-    "org.jetbrains.kotlin:kotlin-stdlib-jdk7": "2.0.21",
-    "org.jetbrains.kotlin:kotlin-reflect": "2.0.21",
+    "org.jetbrains.kotlin:kotlin-stdlib": "2.1.0",
+    "org.jetbrains.kotlin:kotlin-stdlib-jdk8": "2.1.0",
+    "org.jetbrains.kotlin:kotlin-stdlib-jdk7": "2.1.0",
+    "org.jetbrains.kotlin:kotlin-reflect": "2.1.0",
     "org.jetbrains.kotlinx:kotlinx-coroutines-core": "1.9.0",
     "org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm": "1.9.0",
     "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8": "1.9.0",
     "org.jetbrains.kotlinx:kotlinx-serialization-core-jvm": "1.7.3",
     "org.jetbrains.kotlinx:kotlinx-serialization-json-jvm": "1.7.3",
     "org.jetbrains.kotlinx:kotlinx-serialization-cbor-jvm": "1.7.3",
-    "org.jetbrains.kotlinx:atomicfu-jvm": "0.25.0",
+    "org.jetbrains.kotlinx:atomicfu-jvm": "0.26.1",
     "org.jetbrains.kotlinx:kotlinx-datetime-jvm": "0.6.1",
-    "org.jetbrains.kotlinx:kotlinx-io-core-jvm": "0.5.4",
-    "org.jetbrains.kotlinx:kotlinx-io-bytestring-jvm": "0.5.4"
+    "org.jetbrains.kotlinx:kotlinx-io-core-jvm": "0.6.0",
+    "org.jetbrains.kotlinx:kotlinx-io-bytestring-jvm": "0.6.0"
 }
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index ae21b6e..a1b621e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,9 +2,9 @@ kotlin.code.style=official
 org.gradle.jvmargs=-Xmx2G
 
 modId=fabric-language-kotlin
-modVersion=1.12.3
+modVersion=1.13.0
 minecraftVersion=1.20.2
 mappingsVersion=1.20.2+build.4
-loaderVersion=0.14.24
+loaderVersion=0.16.9
 group=net.fabricmc
 description=Fabric language module for Kotlin
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 7f93135..a4b76b9 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 3fa8f86..e2847c8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index 1aa94a4..f5feea6 100755
--- a/gradlew
+++ b/gradlew
@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -84,7 +86,8 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
diff --git a/gradlew.bat b/gradlew.bat
index 93e3f59..9d21a21 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -13,6 +13,8 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
 @if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
@@ -43,11 +45,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +59,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index e83b48e..9b1b008 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -19,6 +19,6 @@
   "license": "Apache-2.0",
   "icon": "assets/fabric-language-kotlin/icon500.png",
   "depends": {
-    "fabricloader": ">=0.14.24"
+    "fabricloader": ">=0.16.9"
   }
 }
\ No newline at end of file