diff --git a/build.gradle.kts b/build.gradle.kts
index 8974035f..e5554c2b 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -289,7 +289,7 @@ afterEvaluate {
 						it.endsWith("-Snapshot")
 					}.filter { cfVersion ->
 						mcVersions.contains(cfVersion)
-					}
+					}.toHashSet()
 				})
 			}