diff --git a/requirements.txt b/requirements.txt
index 685e912..44519f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-numpy==1.18.1 
+numpy==1.22.0 
 pygtrie==2.3.2
 tensorflow-gpu==1.12.3