diff --git a/anagrams/requirements.txt b/anagrams/requirements.txt
index 7613846..f3026b7 100644
--- a/anagrams/requirements.txt
+++ b/anagrams/requirements.txt
@@ -23,7 +23,7 @@ pexpect==4.2.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.9
 ptyprocess==0.5.1
-Pygments==2.1.3
+Pygments==2.7.4
 pyzmq==16.0.2
 qtconsole==4.2.1
 simplegeneric==0.8.1