diff --git a/requirements.txt b/requirements.txt
index f8b347e9..3c8611ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Babel==2.7.0
 certifi==2019.3.9
 chardet==3.0.4
 docutils==0.14
-filelock==3.0.12
+filelock==3.20.3
 future==0.17.1
 idna==2.8
 imagesize==1.1.0
@@ -34,7 +34,7 @@ sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 toml==0.10.0
 tox==3.12.1
-urllib3==1.25.3
+urllib3==2.6.3
 virtualenv==16.6.0
 wcwidth==0.1.7
 zipp==0.5.1