diff --git a/requirements.txt b/requirements.txt
index 09d617a..e6861b8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,12 @@
-basicsr>=1.3.3.10
-facexlib>=0.2.0.2
-lmdb
-numpy
+torch>=1.7
+numpy<1.21  # numba requires numpy<1.21,>=1.17
 opencv-python
+torchvision
+scipy
+tqdm
+basicsr>=1.3.4.0
+facexlib>=0.2.0.3
+lmdb
 pyyaml
 tb-nightly
-torch>=1.7
-torchvision
-tqdm
 yapf