diff --git a/package.json b/package.json
index 528030a..44f9d00 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "esdoc-inject-script-plugin": "1.0.0",
     "esdoc-inject-style-plugin": "1.0.0",
     "esdoc-standard-plugin": "1.0.0",
-    "np": "7.4.0",
+    "np": "7.7.0",
     "nyc": "15.1.0",
     "power-assert": "1.6.1",
     "regenerator-runtime": "0.13.7"
diff --git a/yarn.lock b/yarn.lock
index ca3d02e..5e72f19 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5068,10 +5068,10 @@ normalize-url@^4.1.0:
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
   integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
 
-np@7.4.0:
-  version "7.4.0"
-  resolved "https://registry.yarnpkg.com/np/-/np-7.4.0.tgz#de33e07159c8d4065f42c280a7605deb88fcaf6a"
-  integrity sha512-woJn5Bodg0/VDyUWx5EHIsi+8QlKSows0AVRBt47PG++cJAVE6jQFXcXDFDBMqY5PueFc4w0SA3gxqPklk6oGg==
+np@7.7.0:
+  version "7.7.0"
+  resolved "https://registry.yarnpkg.com/np/-/np-7.7.0.tgz#7fbf2495f6395bcc702b84ca38c4a125363fd5a5"
+  integrity sha512-G4HfO6JUl7iKOX1qfYHM/kG5ApqqZ4ma8YjtVAJoyS5VdKkGE/OdSG3cOE9Lwr71klNz9n6KIZmPRnh0L7qM1Q==
   dependencies:
     "@samverschueren/stream-to-observable" "^0.3.1"
     any-observable "^0.5.1"