diff --git a/requirements_mac.txt b/requirements_mac.txt
index 7f0b95d..1713f97 100644
--- a/requirements_mac.txt
+++ b/requirements_mac.txt
@@ -1,7 +1,7 @@
 jdcal==1.2
 lxml==3.5.0
 openpyxl==2.3.2
-pg8000==1.10.2
+pg8000==1.31.5
 PyMySQL==1.1.1
 rdflib==4.2.1