diff --git a/Dockerfile b/Dockerfile
index 59d8845..b7de95e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1.100-alpine
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1.401-alpine
 
 LABEL maintainer="346.design"