diff --git a/Dockerfile b/Dockerfile
index 75bc55f..9c54cf9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /App
 # Copy everything
 COPY . ./
 
-RUN apt upgrade && apt install libldap -y
+RUN apt update && apt install libldap-2.5-0 -y
 
 # Restore as distinct layers
 RUN dotnet restore ./song_of_the_day/song_of_the_day.csproj