diff --git a/Dockerfile.CLI b/Dockerfile.CLI
index 9f6e164..e262ba2 100644
--- a/Dockerfile.CLI
+++ b/Dockerfile.CLI
@@ -21,7 +21,7 @@ COPY --from=publish /app ./
 ENV DOTNET_EnableDiagnostics=0
 
 ARG DOCKER_USER=selector
-RUN addgroup -S $DOCKER_USER && adduser -S $DOCKER_USER -G $DOCKER_USER
+RUN useradd -r $DOCKER_USER
 USER $DOCKER_USER
 
 ENTRYPOINT ["dotnet", "Selector.CLI.dll"]
diff --git a/Dockerfile.Web b/Dockerfile.Web
index 6cc3018..260de8c 100644
--- a/Dockerfile.Web
+++ b/Dockerfile.Web
@@ -32,7 +32,7 @@ COPY --from=publish /app ./
 ENV DOTNET_EnableDiagnostics=0
 
 ARG DOCKER_USER=selector
-RUN addgroup -S $DOCKER_USER && adduser -S $DOCKER_USER -G $DOCKER_USER
+RUN useradd -r $DOCKER_USER
 USER $DOCKER_USER
 
 ENTRYPOINT ["dotnet", "Selector.Web.dll"]