diff --git a/v1_21_R1/build.gradle.kts b/v1_21_R1/build.gradle.kts
index 5efd421..6d62729 100644
--- a/v1_21_R1/build.gradle.kts
+++ b/v1_21_R1/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 }
 
 dependencies {
-    paperweight.paperDevBundle("1.21-R0.1-SNAPSHOT")
+    paperweight.paperDevBundle("1.21.1-R0.1-SNAPSHOT")
     implementation(project(":common"))
 }