diff --git a/src/config.rs b/src/config.rs
index 9761f709fd1fe351600aa52075badc9e919b4ad2..c8a173b31f4a2b9fac7e304783818078a8d8b3b4 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -4,7 +4,7 @@ use std::fs;
 use serde_yaml;
 
 lazy_static! {
-    static ref CONFIG_FILE: String = fs::read_to_string("config.yaml").unwrap();
+    static ref CONFIG_FILE: String = fs::read_to_string("config.yml").unwrap();
     pub static ref CONFIG: UccbotConfig = serde_yaml::from_str(&CONFIG_FILE).unwrap();
 }
 
diff --git a/src/config.test.yaml b/src/config.test.yml
similarity index 100%
rename from src/config.test.yaml
rename to src/config.test.yml
diff --git a/src/config.ucc.yaml b/src/config.ucc.yml
similarity index 100%
rename from src/config.ucc.yaml
rename to src/config.ucc.yml
diff --git a/src/config.yaml b/src/config.yml
similarity index 100%
rename from src/config.yaml
rename to src/config.yml