diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 59462b32f..933431be2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -8,7 +8,7 @@ paperSpigot = "1.20.6-R0.1-SNAPSHOT"
 junit = "5.13.1"
 mockito = "4.11.0"
 adventure-api = "4.23.0"
-kotlin = "2.1.0"
+kotlin = "1.9.20"
 plugin-shadowjar = "8.3.7"
 plugin-spotless = "7.0.4"
 plugin-bukkit = "0.7.1"
diff --git a/inventory-framework-anvil-input/build.gradle.kts b/inventory-framework-anvil-input/build.gradle.kts
index 84c6bee95..0f2cf069a 100644
--- a/inventory-framework-anvil-input/build.gradle.kts
+++ b/inventory-framework-anvil-input/build.gradle.kts
@@ -9,5 +9,6 @@ inventoryFramework {
 
 dependencies {
     compileOnly(libs.spigot)
+    compileOnly(kotlin("stdlib"))
     compileOnlyApi(projects.inventoryFrameworkPlatformBukkit)
 }
\ No newline at end of file
diff --git a/inventory-framework-api/build.gradle.kts b/inventory-framework-api/build.gradle.kts
index a2b18e12b..5ba17ff07 100644
--- a/inventory-framework-api/build.gradle.kts
+++ b/inventory-framework-api/build.gradle.kts
@@ -8,6 +8,7 @@ inventoryFramework {
 }
 
 dependencies {
+    compileOnly(kotlin("stdlib"))
     compileOnly(libs.adventure.api)
 }