diff --git a/Dockerfile b/Dockerfile
index 2a3a5b5..5dceaec 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@sha256:8a90a473da5205a16979de99d2fc20975e922c68304f5c79d564e666dc3982fc
 WORKDIR /scip-dotnet
 ADD . /scip-dotnet
 RUN dotnet pack