diff --git a/main.go b/main.go
index 8a58de3de6..35555a77bc 100644
--- a/main.go
+++ b/main.go
@@ -35,7 +35,7 @@ import (
 
 const (
 	defaultRunnerImage = "summerwind/actions-runner:v2.168.0"
-	defaultDockerImage = "docker:19.03.6-dind"
+	defaultDockerImage = "docker:19.03.8-dind"
 )
 
 var (