diff --git a/docs/src/changes.md b/docs/src/changes.md
index ed080920b..48e0d8e8d 100644
--- a/docs/src/changes.md
+++ b/docs/src/changes.md
@@ -1,6 +1,13 @@
 # Changes                                               {#changes}
 
 
+## v1.1.8
+
+Date       | Description
+---------- | -----------
+2018-12-05 | Fix for Python 3.7 on Mac OSX wheel deployment
+
+
 ## v1.1.7
 
 Date       | Description
diff --git a/tools/prereqs/travis-osx-install.sh b/tools/prereqs/travis-osx-install.sh
index ff6853aa3..4d3967879 100644
--- a/tools/prereqs/travis-osx-install.sh
+++ b/tools/prereqs/travis-osx-install.sh
@@ -16,6 +16,7 @@ brew install nuget
 brew install coreutils || brew install gstat
 which pyenv || brew unlink pyenv
 brew install pyenv
+brew upgrade pyenv
 brew link pyenv
 
 export PATH=/usr/local/share/dotnet:${PATH}