diff --git a/nms/build.gradle b/nms/build.gradle
index b40900196..c48e06fa0 100644
--- a/nms/build.gradle
+++ b/nms/build.gradle
@@ -6,7 +6,7 @@ import java.util.function.Supplier
 apply plugin: 'me.kcra.takenaka.accessor'
 
 dependencies {
-    mappingBundle "me.kcra.takenaka:mappings:1.8.8+1.20.3"
+    mappingBundle "me.kcra.takenaka:mappings:1.8.8+1.20.4"
     api "me.kcra.takenaka:generator-accessor-runtime:${BuildConfig.BUILD_VERSION}"
 }
 
@@ -15,7 +15,7 @@ dependencies {
 accessors {
     // uncomment this and remove the mappingBundle dependency,
     // if you want to develop against custom versions
-    /*versionRange('1.8.8', '1.20.3') {
+    /*versionRange('1.8.8', '1.20.4') {
         // exclude 1.16 and 1.10.1, they don't have most mappings and are basically not used at all
         // exclude 1.8.9, client-only update - no Spigot mappings, no thank you
         // exclude 1.9.1 and 1.9.3 - no mappings at all