diff --git a/requirements.txt b/requirements.txt
index d1dc540..dbbd651 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 flask~=3.0.2
-web3==6.15.1
+web3==6.20.0
 simplejson==3.19.2
 GPIOSimulator==0.1 #Rasp-pi Simulator package
 #RPi.GPIO==0.7.0 #use when connected to real rasp-pi