diff --git a/Dockerfile b/Dockerfile
index 2198b31..e9e126e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.0 AS builder
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS builder
 
 COPY . .
\ No newline at end of file