diff --git a/Retrieval/Code/src/ImageArchiver/requirements.txt b/Retrieval/Code/src/ImageArchiver/requirements.txt
index 34d7459..8f2ba40 100644
--- a/Retrieval/Code/src/ImageArchiver/requirements.txt
+++ b/Retrieval/Code/src/ImageArchiver/requirements.txt
@@ -12,7 +12,7 @@ mock==2.0.0
 MySQL-python==1.2.5
 numpy==1.13.1
 pbr==3.1.1
-Pygments==2.2.0
+Pygments==2.7.4
 pytz==2017.2
 requests==2.18.4
 six==1.10.0