diff --git a/docker-compose.md b/docker-compose.md
index 00fc2c64f..26decf887 100644
--- a/docker-compose.md
+++ b/docker-compose.md
@@ -4,7 +4,7 @@ category: Devops
 layout: 2017/sheet
 prism_languages: [yaml]
 weight: -1
-updated: 2017-09-20
+updated: 2018-03-17
 ---
 
 ### Basic example
diff --git a/dockerfile.md b/dockerfile.md
index 8ed25b663..4b1ff36df 100644
--- a/dockerfile.md
+++ b/dockerfile.md
@@ -2,6 +2,7 @@
 title: Dockerfile
 category: Devops
 layout: 2017/sheet
+updated: 2018-03-17
 ---
 
 ## Reference