diff --git a/other/travis/toxcore-osx-install b/other/travis/toxcore-osx-install
index 4b777340..1c6daecc 100755
--- a/other/travis/toxcore-osx-install
+++ b/other/travis/toxcore-osx-install
@@ -1,3 +1,6 @@
 #!/bin/sh
 
+# Workaround for bug in Homebrew where it only finds an old Ruby version.
+brew update
+
 brew install libsodium libvpx opus libconfig check astyle