diff --git a/requirements-rnn.txt b/requirements-rnn.txt
index 4cd90f9..d190891 100644
--- a/requirements-rnn.txt
+++ b/requirements-rnn.txt
@@ -27,7 +27,7 @@ pickleshare==0.7.4
 prompt-toolkit==1.0.14
 protobuf==3.2.0
 ptyprocess==0.5.1
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.6.0
 pyzmq==16.0.2
diff --git a/requirements.txt b/requirements.txt
index ce83403..12ff51b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pexpect==4.2.1
 pickleshare==0.7.4
 prompt-toolkit==1.0.14
 ptyprocess==0.5.1
-Pygments==2.2.0
+Pygments==2.7.4
 pyparsing==2.2.0
 python-dateutil==2.6.0
 PyYAML==3.12