diff --git a/Dockerfile b/Dockerfile
index 2a3a5b5..66d11bc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:10.0@sha256:e1ffd2a92ae84c1291bc1b6887501f8af98e6331e7af6d4c8d37168c5e87a64c
 WORKDIR /scip-dotnet
 ADD . /scip-dotnet
 RUN dotnet pack