diff --git a/manifests/prometheus/configmap.yaml b/manifests/prometheus/configmap.yaml
index 19ac86f..c40067f 100644
--- a/manifests/prometheus/configmap.yaml
+++ b/manifests/prometheus/configmap.yaml
@@ -5,7 +5,7 @@ metadata:
   namespace: darkdork-dev
   name: prometheus-config
 data:
-  prometheus.yaml: |
+  prometheus.yml: |
     global:
       scrape_interval: 15s
 
diff --git a/manifests/prometheus/deployment.yaml b/manifests/prometheus/deployment.yaml
index 7eebc0c..9e5c737 100644
--- a/manifests/prometheus/deployment.yaml
+++ b/manifests/prometheus/deployment.yaml
@@ -26,8 +26,8 @@ spec:
         - name: prometheus-data
           mountPath: /prometheus
         - name: prometheus-config
-          mountPath: /etc/prometheus/prometheus.yaml
-          subPath: prometheus.yaml
+          mountPath: /etc/prometheus/prometheus.yml
+          subPath: prometheus.yml
       volumes:
       - name: prometheus-data
         persistentVolumeClaim: