diff --git a/.travis.yml b/.travis.yml
index 37e3352..a2fce83 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@ cache: yarn
 env:
   global:
     - CXX=g++-4.8
-    - YARN_VERSION=1.3.2
+    - YARN_VERSION=1.15.2
 
 jobs:
   include:
diff --git a/package.json b/package.json
index 4d20927..331d42d 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "mathjax": "~2.7.0",
     "mattermost": "^3.4.0",
     "mermaid": "~7.1.0",
-    "meta-marked": "^0.4.2",
+    "meta-marked": "git+https://github.com/codimd/meta-marked#semver:^0.4.2",
     "method-override": "^2.3.7",
     "minimist": "^1.2.0",
     "minio": "^6.0.0",