diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1f18b6e..dd4ff58 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -18,7 +18,7 @@ matplotlib==3.1.0
 mccabe==0.6.1
 mkl-fft==1.0.12
 mkl-random==1.0.2
-numpy==1.16.4
+numpy==1.22.0
 pandas==0.24.2
 parso==0.4.0
 pexpect==4.7.0