diff --git a/requirements.txt b/requirements.txt
index bdcce893d..52638333c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,3 +19,4 @@ git+https://github.com/crowsonkb/k-diffusion.git
 git+https://github.com/TencentARC/GFPGAN.git@8d2447a2d918f8eba5a4a01463fd48e45126a379
 timm==0.4.12
 fairscale==0.4.4
+piexif