diff --git a/tree-view-sample/package-lock.json b/tree-view-sample/package-lock.json
index f5eedec7..76c9cd91 100644
--- a/tree-view-sample/package-lock.json
+++ b/tree-view-sample/package-lock.json
@@ -973,9 +973,9 @@
 			}
 		},
 		"lodash": {
-			"version": "4.17.15",
-			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-			"integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+			"version": "4.17.19",
+			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+			"integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
 			"dev": true
 		},
 		"mimic-fn": {
diff --git a/tree-view-sample/yarn.lock b/tree-view-sample/yarn.lock
index b2ed72ed..19af6bd7 100644
--- a/tree-view-sample/yarn.lock
+++ b/tree-view-sample/yarn.lock
@@ -82,10 +82,10 @@
     "@types/glob" "*"
     "@types/node" "*"
 
-"@types/vscode@^1.42.0":
-  version "1.45.1"
-  resolved "https://registry.yarnpkg.com/@types/vscode/-/vscode-1.45.1.tgz#672fb8c2cc33cf14cd4d3bdaa19bb294fe2b2706"
-  integrity sha512-0NO9qrrEJBO8FsqHCrFMgR2suKnwCsKBWvRSb2OzH5gs4i3QO5AhEMQYrSzDbU/wLPt7N617/rN9lPY213gmwg==
+"@types/vscode@^1.45.0":
+  version "1.47.0"
+  resolved "https://registry.yarnpkg.com/@types/vscode/-/vscode-1.47.0.tgz#4a4051c21ecaadcf383a2c4387bea282540e96de"
+  integrity sha512-nJA37ykkz9FYA0ZOQUSc3OZnhuzEW2vUhUEo4MiduUo82jGwwcLfyvmgd/Q7b0WrZAAceojGhZybg319L24bTA==
 
 "@typescript-eslint/eslint-plugin@^3.0.2":
   version "3.0.2"
@@ -671,9 +671,9 @@ levn@^0.4.1:
     type-check "~0.4.0"
 
 lodash@^4.17.14, lodash@^4.17.15:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
 
 mimic-fn@^2.1.0:
   version "2.1.0"
@@ -687,6 +687,11 @@ minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
+minimist@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.2.1.tgz#827ba4e7593464e7c221e8c5bed930904ee2c455"
+  integrity sha512-GY8fANSrTMfBVfInqJAY41QkOM+upUTytK1jZ0c8+3HdHrJxBJ3rF5i9moClXTE8uUSnUo8cAsCoxDXvSY4DHg==
+
 minimist@^1.2.5:
   version "1.2.5"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
@@ -984,10 +989,10 @@ type-fest@^0.8.1:
   resolved "https://registry.yarnpkg.com/type-fest/-/type-fest-0.8.1.tgz#09e249ebde851d3b1e48d27c105444667f17b83d"
   integrity sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==
 
-typescript@^3.8.3:
-  version "3.9.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.3.tgz#d3ac8883a97c26139e42df5e93eeece33d610b8a"
-  integrity sha512-D/wqnB2xzNFIcoBG9FG8cXRDjiqSTbG2wd8DMZeQyJlP1vfTkIxH4GKveWaEBYySKIg+USu+E+EDIR47SqnaMQ==
+typescript@^3.9.4:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
 
 uri-js@^4.2.2:
   version "4.2.2"