diff --git a/example/requirements.txt b/example/requirements.txt
index 77717a4..a94c394 100644
--- a/example/requirements.txt
+++ b/example/requirements.txt
@@ -11,7 +11,7 @@ pickleshare==0.7.4
 pkg-resources==0.0.0
 prompt-toolkit==1.0.13
 ptyprocess==0.5.1
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 simplegeneric==0.8.1
 six==1.10.0