diff --git a/src/licenseGen/Dockerfile b/src/licenseGen/Dockerfile
index 94908d4..4fb9b26 100644
--- a/src/licenseGen/Dockerfile
+++ b/src/licenseGen/Dockerfile
@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk as build
+FROM mcr.microsoft.com/dotnet/sdk as build:5.0
 
 WORKDIR /licenseGen