diff --git a/DysonNetwork.Pusher/Dockerfile b/DysonNetwork.Pusher/Dockerfile
index 4a6845b..bc144f3 100644
--- a/DysonNetwork.Pusher/Dockerfile
+++ b/DysonNetwork.Pusher/Dockerfile
@@ -1,9 +1,13 @@
 FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
-USER $APP_UID
 WORKDIR /app
 EXPOSE 8080
 EXPOSE 8081
 
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libkrb53
+
+USER $APP_UID
+
 FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src