diff --git a/requirements.txt b/requirements.txt
index 63e3f3d5022..86605af82c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,3 +56,5 @@ pyowm>=2.2.0
 # XMPP Bindings (notify.xmpp)
 sleekxmpp>=1.3.1
 
+# Blockchain (sensor.bitcoin)
+blockchain>=1.1.2