diff --git a/Dockerfile b/Dockerfile
index ac0a56e4..b365f809 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim
 
 # Install python
 RUN apt update
-RUN apt install -y git wget build-essential python3.11 python3.11-venv
+RUN apt install -y git wget build-essential python3.11 python3.11-venv python3.11-dev
 
 # Install dependencies for controlnet preprocessors
 RUN apt install -y libglib2.0-0 libgl1