diff --git a/requirements.txt b/requirements.txt
index f19a053..44443e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 chardet==3.0.4
 idna==2.6
 ncbi-genome-download==0.2.5
-requests==2.18.4
+requests==2.20.0
 urllib3==1.22