diff --git a/continuous_integration/appveyor/requirements.txt b/continuous_integration/appveyor/requirements.txt
index d86a2b15601d3..8ba34d4f22e48 100644
--- a/continuous_integration/appveyor/requirements.txt
+++ b/continuous_integration/appveyor/requirements.txt
@@ -8,7 +8,7 @@
 # fix the versions of numpy to force the use of numpy and scipy to use the whl
 # of the rackspace folder instead of trying to install from more recent
 # source tarball published on PyPI
-numpy==1.8.1
+numpy==1.22.0
 scipy==0.14.0
 nose
 wheel