diff --git a/gradle.properties b/gradle.properties
index 6130fb87..68ae51e0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,10 +4,10 @@ packaging=jar
 description=Mixin (LegacyModdingMC fork)
 url=https://github.com/LegacyModdingMC
 organization=LegacyModdingMC
-buildVersion=0.15.3
+buildVersion=0.15.5
 upstreamMixinVersion=0.8.7
 buildType=RELEASE
-asmVersion=9.6
+asmVersion=9.9
 legacyForgeAsmVersion=5.0.3
 modlauncherAsmVersion=9.5
 modlauncherVersion=10.0.9