diff --git a/package.json b/package.json
index e9a75e9..6ec2f3e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "@phosphor/messaging": "^1.2.2",
     "@phosphor/widgets": "^1.6.0",
     "es6-promise": "^4.0.5",
-    "js-yaml": "^4.1.1",
+    "js-yaml": "^4.2.0",
     "requests-helper": "^0.1.3",
     "tkp_utils": "^0.1.10"
   },
diff --git a/yarn.lock b/yarn.lock
index 5321146..852e427 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4769,10 +4769,10 @@ js-yaml@^3.13.1, js-yaml@^3.9.0, js-yaml@~3.7.0:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
-js-yaml@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.1.tgz#854c292467705b699476e1a2decc0c8a3458806b"
-  integrity sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==
+js-yaml@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.2.0.tgz#2bd9e85682dd91bd469afb809d816043b3d49524"
+  integrity sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==
   dependencies:
     argparse "^2.0.1"