diff --git a/BauSystem_15/build.gradle b/BauSystem_15/build.gradle
index 0dd5c888..4cb27d22 100644
--- a/BauSystem_15/build.gradle
+++ b/BauSystem_15/build.gradle
@@ -50,7 +50,7 @@ dependencies {
 
     implementation project(":BauSystem_Main")
 
-    compileOnly files("${projectDir}/../lib/Spigot-1.15.jar")
-    compileOnly files("${projectDir}/../lib/WorldEdit-1.15.jar")
-    compileOnly files("${projectDir}/../lib/SpigotCore.jar")
+    compileOnly spigot15
+    compileOnly worldEdit15
+    compileOnly spigotCore
 }
\ No newline at end of file
diff --git a/BauSystem_18/build.gradle b/BauSystem_18/build.gradle
index 67d610e7..1528b092 100644
--- a/BauSystem_18/build.gradle
+++ b/BauSystem_18/build.gradle
@@ -51,13 +51,13 @@ dependencies {
     implementation project(":BauSystem_Main")
 
     compileOnly 'org.spigotmc:spigot-api:1.18-R0.1-SNAPSHOT'
-    compileOnly files("${projectDir}/../lib/Spigot-1.18.jar")
     compileOnly 'it.unimi.dsi:fastutil:8.5.6'
     compileOnly 'com.mojang:datafixerupper:4.0.26'
     compileOnly 'io.netty:netty-all:4.1.68.Final'
     compileOnly 'com.mojang:authlib:1.5.25'
     compileOnly 'com.mojang:brigadier:1.0.18'
 
-    compileOnly files("${projectDir}/../lib/WorldEdit-1.15.jar")
-    compileOnly files("${projectDir}/../lib/SpigotCore.jar")
+    compileOnly spigot18
+    compileOnly worldEdit15
+    compileOnly spigotCore
 }
\ No newline at end of file
diff --git a/BauSystem_19/build.gradle b/BauSystem_19/build.gradle
index 56c1679d..cf962164 100644
--- a/BauSystem_19/build.gradle
+++ b/BauSystem_19/build.gradle
@@ -51,13 +51,13 @@ dependencies {
     implementation project(":BauSystem_Main")
 
     compileOnly 'org.spigotmc:spigot-api:1.19-R0.1-SNAPSHOT'
-    compileOnly files("${projectDir}/../lib/Spigot-1.19.jar")
     compileOnly 'it.unimi.dsi:fastutil:8.5.6'
     compileOnly 'com.mojang:datafixerupper:4.0.26'
     compileOnly 'io.netty:netty-all:4.1.68.Final'
     compileOnly 'com.mojang:authlib:1.5.25'
     compileOnly 'com.mojang:brigadier:1.0.18'
 
-    compileOnly files("${projectDir}/../lib/WorldEdit-1.15.jar")
-    compileOnly files("${projectDir}/../lib/SpigotCore.jar")
+    compileOnly spigot19
+    compileOnly worldEdit15
+    compileOnly spigotCore
 }
\ No newline at end of file
diff --git a/BauSystem_Main/build.gradle b/BauSystem_Main/build.gradle
index 72b787b1..2bfcf6b8 100644
--- a/BauSystem_Main/build.gradle
+++ b/BauSystem_Main/build.gradle
@@ -56,12 +56,11 @@ dependencies {
     annotationProcessor 'org.atteo.classindex:classindex:3.11'
     testAnnotationProcessor 'org.atteo.classindex:classindex:3.11'
 
-    // compileOnly 'org.spigotmc:spigot-api:1.18-R0.1-SNAPSHOT'
     compileOnly 'org.spigotmc:spigot-api:1.19-R0.1-SNAPSHOT'
-    // compileOnly files("${projectDir}/../lib/Spigot-1.18.jar")
-    compileOnly files("${projectDir}/../lib/Spigot-1.19.jar")
     compileOnly 'com.mojang:authlib:1.5.25'
     compileOnly 'io.netty:netty-all:4.1.68.Final'
-    compileOnly files("${projectDir}/../lib/WorldEdit-1.15.jar")
-    compileOnly files("${projectDir}/../lib/SpigotCore.jar")
+
+    compileOnly spigot19
+    compileOnly worldEdit15
+    compileOnly spigotCore
 }
diff --git a/build.gradle b/build.gradle
index 7f44d482..72e4c0ae 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,6 +36,8 @@ plugins {
     id 'com.github.johnrengelman.shadow' version '5.0.0'
 }
 
+apply from: 'dependencies.gradle'
+
 group 'de.steamwar'
 version ''
 
@@ -91,10 +93,14 @@ allprojects {
 }
 
 dependencies {
-    implementation project(":BauSystem_Main")
-    implementation project(":BauSystem_15")
-    implementation project(":BauSystem_18")
-    implementation project(":BauSystem_19")
+    file('.').listFiles().each {
+        if (!it.isDirectory()) {
+            return
+        }
+        if (new File(it, "build.gradle").exists()) {
+            implementation project(":" + it.name)
+        }
+    }
 }
 
 task buildResources(type: Copy) {
diff --git a/dependencies.gradle b/dependencies.gradle
new file mode 100644
index 00000000..8c134e43
--- /dev/null
+++ b/dependencies.gradle
@@ -0,0 +1,34 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+ext {
+    spigot19 = depend('Spigot-1.19')
+    spigot18 = depend('Spigot-1.18')
+    spigot15 = depend('Spigot-1.15')
+    worldEdit15 = depend('WorldEdit-1.15')
+    spigotCore = depend('SpigotCore')
+}
+
+private def depend(s) {
+    if (file("${rootDir}/lib/${s}.jar").exists()) {
+        return files("${rootDir}/lib/${s}.jar")
+    } else {
+        return "de.steamwar:${s.toLowerCase()}:RELEASE"
+    }
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index 3402077c..7c452a9c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -19,7 +19,11 @@
 
 rootProject.name = 'BauSystem2.0'
 
-include 'BauSystem_15'
-include 'BauSystem_18'
-include 'BauSystem_19'
-include 'BauSystem_Main'
+file('.').listFiles().each {
+    if (!it.isDirectory()) {
+        return
+    }
+    if (new File(it, "build.gradle").exists()) {
+        include(it.name)
+    }
+}