diff --git a/package.json b/package.json
index bbb43c795..4c488f4d6 100644
--- a/package.json
+++ b/package.json
@@ -134,7 +134,7 @@
     "url": "https://github.com/hedgedoc/hedgedoc.git"
   },
   "devDependencies": {
-    "abcjs": "6.1.3",
+    "abcjs": "6.1.6",
     "babel-cli": "6.26.0",
     "babel-core": "6.26.3",
     "babel-loader": "7.1.5",
diff --git a/yarn.lock b/yarn.lock
index 5cc1fbb61..d6a41b262 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -703,10 +703,10 @@ abbrev@1, abbrev@^1.0.0:
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
   integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
 
-abcjs@6.1.3:
-  version "6.1.3"
-  resolved "https://registry.yarnpkg.com/abcjs/-/abcjs-6.1.3.tgz#65dbfd3038a08b6d66efb873a5a95545de579a1e"
-  integrity sha512-8uTxfNxHbodc/yMwxjuwi2CyWLur04ec1lkreVc3mg119oWwsn3yEAR4gCzKK+Yw1+7OP+1BAFRlwT0tTT5HQw==
+abcjs@6.1.6:
+  version "6.1.6"
+  resolved "https://registry.yarnpkg.com/abcjs/-/abcjs-6.1.6.tgz#d1603029e504568bb37e1d3db38d7a3a4e5325ef"
+  integrity sha512-wLwYqFMLoObDOmgIUK+9PLg57t+PDisWbuBJNmlhrAO0tS3ot0h8b1jzgAOqUO1LkG3zrTnqMjKE+w830Jc/Ag==
 
 abstract-logging@^2.0.0:
   version "2.0.1"