diff --git a/gradle.properties b/gradle.properties
index 106f805..51ee7cc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -18,7 +18,7 @@ minecraft_version=1.21.1
 # as they do not follow standard versioning conventions.
 minecraft_version_range=[1.21.1, 1.22)
 # The Neo version must agree with the Minecraft version to get a valid artifact
-neo_version=21.1.64
+neo_version=21.1.66
 # The Neo version range can use any version of Neo as bounds
 neo_version_range=[21.1.0,)
 # The loader version range can only use the major version of FML as bounds