diff --git a/samples/geography/requirements.txt b/samples/geography/requirements.txt
index 7a76b4033..82a45e3e8 100644
--- a/samples/geography/requirements.txt
+++ b/samples/geography/requirements.txt
@@ -24,7 +24,8 @@ importlib-metadata==4.6.4
 libcst==0.3.20
 munch==2.5.0
 mypy-extensions==0.4.3
-numpy==1.19.5
+numpy==1.19.5; python_version < "3.7"
+numpy==1.21.2; python_version > "3.6"
 packaging==21.0
 pandas==1.1.5
 proto-plus==1.19.0