diff --git a/build_tools/build_requirements.txt b/build_tools/build_requirements.txt
index 743304ae6..5e18bac4c 100644
--- a/build_tools/build_requirements.txt
+++ b/build_tools/build_requirements.txt
@@ -1,4 +1,4 @@
-numpy>=1.17.3
+numpy~=1.19
 scipy>=1.3.2
 cython>=0.29,!=0.29.18
 scikit-learn>=0.22
diff --git a/requirements.txt b/requirements.txt
index 17dc54423..a1359b66f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 joblib>=0.11
 Cython>=0.29,!=0.29.18
-numpy>=1.17.3
+numpy~=1.19
 pandas>=0.19
 scikit-learn>=0.22
 scipy>=1.3.2