diff --git a/requirements.txt b/requirements.txt
index c07b81f..3ba8bd0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,5 +22,5 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
-urllib3==1.25.9
+urllib3==1.26.5
 nltk