diff --git a/build-data/reobf-mappings-patch.tiny b/build-data/reobf-mappings-patch.tiny
index 33fea4d20e..7513c20c25 100644
--- a/build-data/reobf-mappings-patch.tiny
+++ b/build-data/reobf-mappings-patch.tiny
@@ -12,12 +12,14 @@
 
 tiny	2	0	mojang+yarn	spigot
 
-# CraftBukkit changes this field's type, which causes the original mapping to miss
+# CraftBukkit changes type
 c	net/minecraft/server/level/ServerLevel	net/minecraft/server/level/WorldServer
 	f	Lnet/minecraft/world/level/storage/PrimaryLevelData;	serverLevelData	E
-# generic hell TODO no clue why the return type here needs to be spigot mapped?
+
+# unknown issue
 c	net/minecraft/core/RegistryAccess	net/minecraft/core/IRegistryCustom
-	m	(Lnet/minecraft/resources/ResourceKey;)Lnet/minecraft/core/IRegistry;	registryOrThrow	d
-# paper changes type
+	m	(Lnet/minecraft/resources/ResourceKey;)Lnet/minecraft/core/Registry;	registryOrThrow	d
+
+# Paper changes type
 c	net/minecraft/core/MappedRegistry	net/minecraft/core/RegistryMaterials
 	f	Lit/unimi/dsi/fastutil/objects/Reference2IntOpenHashMap;	toId	bw
diff --git a/build.gradle.kts b/build.gradle.kts
index 49acd816ed..0a9c12efdb 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,7 +1,7 @@
 plugins {
     java
     id("com.github.johnrengelman.shadow") version "7.0.0" apply false
-    id("io.papermc.paperweight.core") version "1.1.5"
+    id("io.papermc.paperweight.core") version "1.1.6"
 }
 
 subprojects {