diff --git a/Dockerfile b/Dockerfile
index 2a3a5b5..74e7fd8 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@sha256:478b9038d187e5b5c29bfa8173ded5d29e864b5ad06102a12106380ee01e2e49
 WORKDIR /scip-dotnet
 ADD . /scip-dotnet
 RUN dotnet pack