diff --git a/bootstrap/fabric/build.gradle.kts b/bootstrap/fabric/build.gradle.kts
index 44714cc7c..c260703a5 100644
--- a/bootstrap/fabric/build.gradle.kts
+++ b/bootstrap/fabric/build.gradle.kts
@@ -35,6 +35,10 @@ dependencies {
     }
 }
 
+loom {
+    mixin.defaultRefmapName.set("geyser-fabric-refmap.json")
+}
+
 repositories {
     mavenLocal()
     maven("https://repo.opencollab.dev/maven-releases/")
@@ -114,7 +118,7 @@ modrinth {
     syncBodyFrom.set(rootProject.file("README.md").readText())
 
     uploadFile.set(tasks.getByPath("remapModrinthJar"))
-    gameVersions.addAll("1.20")
+    gameVersions.addAll("1.20", "1.20.1")
 
     loaders.add("fabric")
     failSilently.set(true)
diff --git a/bootstrap/fabric/src/main/resources/geyser-fabric.mixins.json b/bootstrap/fabric/src/main/resources/geyser-fabric.mixins.json
index c688ace36..aeb051809 100644
--- a/bootstrap/fabric/src/main/resources/geyser-fabric.mixins.json
+++ b/bootstrap/fabric/src/main/resources/geyser-fabric.mixins.json
@@ -2,6 +2,7 @@
   "required": true,
   "package": "org.geysermc.geyser.platform.fabric.mixin",
   "compatibilityLevel": "JAVA_16",
+  "refmap": "geyser-fabric-refmap.json",
   "client": [
     "client.IntegratedServerMixin"
   ],