diff --git a/gradle.properties b/gradle.properties
index df45ce7..8a9da2b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,9 +4,9 @@ org.gradle.jvmargs=-Xmx3G
 # check these on https://modmuss50.me/fabric.html
 minecraft_version=1.21
 yarn_mappings=1.21+build.9
-loader_version=0.16.0
+loader_version=0.15.11
 # Mod Properties
-mod_version=1.4
+mod_version=1.5
 maven_group=com.saolghra
 archives_base_name=ElytraSwapper
 # Dependencies