diff --git a/Core/src/main/java/fr/altarik/toolbox/core/config/ConfigI.java b/Core/src/main/java/fr/altarik/toolbox/core/config/ConfigI.java
index 2d79082..6262667 100644
--- a/Core/src/main/java/fr/altarik/toolbox/core/config/ConfigI.java
+++ b/Core/src/main/java/fr/altarik/toolbox/core/config/ConfigI.java
@@ -24,10 +24,10 @@ public class ConfigI {
         return configPath.resolve(name);
     }
 
-    public static ConfigI load(Path configPath, String name, Class<? extends ConfigI> clazz) throws IOException, JsonSyntaxException, JsonIOException {
+    public static <T extends ConfigI> T load(Path configPath, String name, Class<T> clazz) throws IOException, JsonSyntaxException, JsonIOException {
         Path path = getConfigPath(configPath, name);
 
-        ConfigI file;
+        T file;
 
         if(Files.exists(path)) {
             FileReader reader = new FileReader(path.toFile());
diff --git a/gradle.properties b/gradle.properties
index a2d17f2..735d21f 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -8,7 +8,7 @@ loader_version=0.15.6
 fabric_version=0.95.4+1.20.4
 
 maven_group=fr.altarik.toolbox
-maven_version=4.5.1
+maven_version=5.0.0
 
 git_owner=quentinlegot
 git_repo=Toolbox
\ No newline at end of file