diff --git a/requirements.txt b/requirements.txt
index 8a3923894393b0..62e723574a9bc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # the default package dependencies
 
-numpy>=1.13.3
+numpy>=1.15  # because some BLAS compilation issues
 tqdm>=4.41.0
 torch>=1.3
 tensorboard>=1.14