diff --git a/test-requirements.txt b/test-requirements.txt
index 90f9c13b978ffd69c4fa5ebca09776659e447136_dGVzdC1yZXF1aXJlbWVudHMudHh0..c76718b156182da403a69934bc7b4666bac02fd5_dGVzdC1yZXF1aXJlbWVudHMudHh0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
-numpy
+numpy<1.19
 coverage
 pycodestyle