diff --git a/requirements_opacity_api.txt b/requirements_opacity_api.txt
index 4563853..944acb0 100644
--- a/requirements_opacity_api.txt
+++ b/requirements_opacity_api.txt
@@ -41,7 +41,7 @@ scrypt==0.8.13
 SecretStorage==3.1.2
 six==1.14.0
 toolz==0.10.0
-urllib3==1.25.8
+urllib3==1.26.5
 varint==1.0.2
 watchdog==0.10.2
 web3==5.7.0