diff --git a/requirements_dev.txt b/requirements_dev.txt
index 09890bc..0874b3a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@ watchdog==0.10.3
 tox==3.4.0
 coverage==4.5.3
 Sphinx==3.2.1
-pygments==2.2.0
+pygments==2.10.0
 cryptography==2.4.1
 PyYAML==5.3.1
 pytest==3.8.0