diff --git a/Dockerfile b/Dockerfile
index 2a3a5b5..abcd1aa 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:c0790639332692a0d56cdd81ed581cfd24d040d9839764c138994866df89a3b6
 WORKDIR /scip-dotnet
 ADD . /scip-dotnet
 RUN dotnet pack