diff --git a/OCPP.Core.Server/Dockerfile b/OCPP.Core.Server/Dockerfile
index 021e1fb..f7c5937 100644
--- a/OCPP.Core.Server/Dockerfile
+++ b/OCPP.Core.Server/Dockerfile
@@ -6,10 +6,10 @@ RUN dotnet publish OCPP.Core.Server/OCPP.Core.Server.csproj -o /publish
 #RUN dotnet build
 #RUN dotnet publish -o /publish --configuration Release ;
 # Publish Stage
-RUN DEBIAN_FRONTEND=noninteractive apt-get update -y && apt-get install -y 
+RUN DEBIAN_FRONTEND=noninteractive apt-get update  && apt-get install 
 #RUN DEBIAN_FRONTEND=noninteractive apt-get install -y libkrb5-dev
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y rsyslog-gssapi
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -y libkrb5-3
+RUN DEBIAN_FRONTEND=noninteractive apt-get install  libkrb5-3
 #RUN DEBIAN_FRONTEND=noninteractive  rm -rf /var/lib/apt/lists/*
 #RUN ls -l /usr/lib/libgssapi_krb5.so.2
 #RUN ls -l /usr/lib64/libgssapi_krb5.so.2