diff --git a/.pkgr.yml b/.pkgr.yml
index 427fa20..6b74913 100644
--- a/.pkgr.yml
+++ b/.pkgr.yml
@@ -1,16 +1,19 @@
 ---
 before:
-  - 'export SECRET_KEY_BASE=xxx'
-after_install: 'setup-secrets.sh'
+  - "export SECRET_KEY_BASE=xxx"
+after_install: "setup-secrets.sh"
 build_dependencies:
   - ImageMagick-devel
   - libxml2-devel
   - libxslt-devel
   - gcc
   - make
+  - cmake
+  - cmake-devel
   - automake
 dependencies:
   - mongodb-org-server
   - ImageMagick
+  - cmake
 targets:
   centos-7:
diff --git a/app.json b/app.json
index 9569758..2319d28 100644
--- a/app.json
+++ b/app.json
@@ -4,9 +4,12 @@
     "tunemygc"
   ],
   "buildpacks": [
-    {
-      "url": "heroku/ruby"
-    }
+     {
+        "url": "https://github.com/ello/heroku-buildpack-cmake.git"
+     },
+     {
+        "url": "heroku/ruby"
+     }
   ],
   "description": "InSpec Results Viewer",
   "env": {
@@ -51,4 +54,3 @@
   },
   "stack": "heroku-18"
 }
-