diff --git a/build.gradle b/build.gradle
index 183d3f8..ba352c7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,7 +14,14 @@ base {
 
 repositories {
 	mavenLocal()
-	maven { url = "https://maven.terraformersmc.com/releases/" }
+	maven {
+		name = "DevAuth"
+		url = "https://pkgs.dev.azure.com/djtheredstoner/DevAuth/_packaging/public/maven/v1"
+	}
+	maven {
+		name = "Terraformers"
+		url = "https://maven.terraformersmc.com/"
+	}
 	maven {
 		name "oth3rMavenSnapshots"
 		url "https://maven.oth3r.one/snapshots"
@@ -30,11 +37,13 @@ dependencies {
 	mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
 	modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
 
+	// required dependencies
 	modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
-
-	modImplementation "com.terraformersmc:modmenu:${project.modmenu_version}"
-
 	modImplementation "one.oth3r:otterlib:${project.otterlib_version}"
+
+	// optional dependencies
+	modImplementation "com.terraformersmc:modmenu:${project.modmenu_version}"
+	modRuntimeOnly "me.djtheredstoner:DevAuth-fabric:${project.devauth_version}"
 }
 
 processResources {
diff --git a/gradle.properties b/gradle.properties
index c390513..5550d7b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,6 +19,8 @@ file_name=sit!
 
 # Dependencies
 fabric_version=0.127.1+1.21.6
-modmenu_version=15.0.0-beta.1
 otterlib_version=0.2.1.0+1.21.6-fabric
 otterlib_max_version=0.3.0.0+1.21.6-fabric
+
+modmenu_version=15.0.0-beta.1
+devauth_version=1.2.1