diff --git a/.circleci/config.yml b/.circleci/config.yml
index cf2e108..4e6a54a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,9 @@ default: &default-steps
   steps:
     - checkout
     - run: apt-get update
-    - run: apt-get install -y openjdk-8-jre make
+    - run: apt-get install -y openjdk-8-jre make python git
+    - run: curl -fsSL https://raw.githubusercontent.com/cask/cask/master/go | python
+    - run: export PATH="/root/.cask/bin:$PATH"
     - run: make
 
 # Enumerated list of Emacs versions