diff --git a/Dockerfile b/Dockerfile
index aa1e5fec..59e7281d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ COPY src/Exercism.TestRunner.CSharp/ ./
 RUN dotnet publish -r linux-musl-x64 -c Release -o /opt/test-runner --no-restore --self-contained true
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/runtime:8.0.2-alpine3.19-amd64 AS runtime
+FROM mcr.microsoft.com/dotnet/runtime:8.0.3-alpine3.19-amd64 AS runtime
 
 # Enable globalization as some exercises use it
 ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=false