diff --git a/pyproject.toml b/pyproject.toml
index 7913905aae..6ad1b6ca2e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,6 +39,7 @@ dependencies = [
   "click",
   "clip_anytorch",          # replacing "clip @ https://github.com/openai/CLIP/archive/eaa22acb90a5876642d0507623e859909230a52d.zip",
   "compel~=1.1.5",
+  "controlnet-aux==0.0.3",
   "datasets",
   "diffusers[torch]~=0.16.1",
   "dnspython==2.2.1",