diff --git a/requirements.txt b/requirements.txt
index afedb5e..f1f2319 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 biopython==1.71
-numpy==1.14.2
+numpy==1.14.3
 pandas==0.22.0
 python-dateutil==2.7.2
 pytz==2018.4