diff --git a/build.gradle b/build.gradle
index effa0af0..a040f6d8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,14 +22,10 @@ neoForge {
     // Specify the version of NeoForge to use.
     version = project.neo_version
 
-    parchment {
-        mappingsVersion = project.parchment_mappings_version
-        minecraftVersion = project.parchment_minecraft_version
-    }
-
     // This line is optional. Access Transformers are automatically detected
     // accessTransformers.add('src/main/resources/META-INF/accesstransformer.cfg')
 
+
     // Default run configurations.
     // These can be tweaked, removed, or duplicated as needed.
     runs {
diff --git a/gradle.properties b/gradle.properties
index 637c67ae..a161af28 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -14,8 +14,10 @@ neo_version=21.1.152
 neo_version_range=[21,)
 
 loader_version_range=[4,)
-parchment_minecraft_version=1.21.5
-parchment_mappings_version=2025.06.01
+# The Minecraft version the Parchment version is for
+neoForge.parchment.minecraftVersion=1.21.1
+# The version of the Parchment mappings
+neoForge.parchment.mappingsVersion=2024.11.17
 
 mixin_version = 0.8.5
 mixin_extras_version = 0.4.1