diff --git a/PY_AWS/chalice/requirements-dev.txt b/PY_AWS/chalice/requirements-dev.txt
index 6977bfc..89e3972 100644
--- a/PY_AWS/chalice/requirements-dev.txt
+++ b/PY_AWS/chalice/requirements-dev.txt
@@ -17,7 +17,7 @@ pydocstyle==2.0.0
 # Test requirements
 pytest==3.5.0
 py==1.5.3
-pygments==2.1.3
+pygments==2.7.4
 mock==2.0.0
 requests==2.20.0
 hypothesis==3.56.3