diff --git a/package.json b/package.json
index fc1fa3a..851fe3f 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "d3": "3",
-    "debug": "^2.6.8",
+    "debug": "^2.6.9",
     "lodash.defaults": "^4.2.0",
     "lodash.defaultsdeep": "^4.6.0",
     "lodash.groupby": "^4.6.0",
diff --git a/yarn.lock b/yarn.lock
index 8d52b13..c1823c8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3308,13 +3308,13 @@ date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
-debug@2.6.8, debug@^2.1.1, debug@^2.2.0, debug@^2.6.0, debug@^2.6.8:
+debug@2.6.8:
   version "2.6.8"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
   dependencies:
     ms "2.0.0"
 
-debug@2.6.9, debug@^2.1.2, debug@^2.3.3, debug@^2.6.9:
+debug@2.6.9, debug@^2.1.1, debug@^2.1.2, debug@^2.2.0, debug@^2.3.3, debug@^2.6.0, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==