diff --git a/requirements.txt b/requirements.txt
index e349a7c..81ad344 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,6 +18,6 @@ schematics==2.1.*
 six==1.11.0
 stellar-base-sseclient==0.0.21
 toml==0.9.4
-urllib3==1.24.2
+urllib3==1.26.5
 Werkzeug==0.15.1
 async-generator; python_version < '3.7'
\ No newline at end of file