diff --git a/bindep.txt b/bindep.txt
index b06baa3ba..ee40a9091 100644
--- a/bindep.txt
+++ b/bindep.txt
@@ -5,7 +5,9 @@
 build-essential [platform:dpkg]
 gcc [platform:rpm]
 libssl-dev [platform:dpkg]
+openssl [platform:brew]
 openssl-devel [platform:rpm]
+libffi [platform:brew]
 libffi-dev [platform:dpkg]
 libffi-devel [platform:rpm]
 python-dev [platform:dpkg]
@@ -16,4 +18,4 @@ libre2-3 [platform:debian-stretch]
 libre2-1v5 [platform:ubuntu-xenial]
 re2-devel [compile test platform:rpm]
 re2-dev [platform:apk]
-re2 [platform:rpm platform:apk]
+re2 [platform:rpm platform:apk platform:brew]