diff --git a/requirements.txt b/requirements.txt
index 6cb9abb..2beb5ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 asyncio-redis==0.14.3
 blosc==1.5.0
 cbor==1.0.0
-numpy==1.12.0
+numpy==1.21.0
 pyrtlsdr==0.2.4
 scipy==0.18.1