diff --git a/requirements.txt b/requirements.txt
index 0b831a1..d0a33b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ mkl==2018.0.3
 #mkl_fft==1.0.4  - removing this so binder works
 #mkl_random==1.0.1
 #ncurses==6.1  - removing this so binder works
-numpy==1.15.0
+numpy==1.22.0
 #numpy-base==1.15.0  - removing this so binder works
 olefile==0.45.1
 #openssl==1.0.2  - removing this so binder works