diff --git a/requirements.txt b/requirements.txt
index 532467d..00d987e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -86,7 +86,7 @@ pyarrow==0.16.0
 pyasn1==0.4.4
 pyasn1-modules==0.2.2
 pydata-google-auth==0.3.0
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.4.6
 pyrsistent==0.15.4
 python-appengine==1.9.15