diff --git a/package-lock.json b/package-lock.json
index 18561520b19..804878f01da 100644
--- a/package-lock.json
+++ b/package-lock.json
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+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.43.0.tgz",
+          "integrity": "sha512-+5dsGEEovYbT8UY9yD7eE4XTc4UwJ1jBYlgaQQF38ENsKR3wj/8q8RFZrF9WIZpB2V1ArTVFUva8sAul1NzRzQ==",
           "dev": true
         },
         "mime-types": {
-          "version": "2.1.24",
-          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.24.tgz",
-          "integrity": "sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==",
+          "version": "2.1.26",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.26.tgz",
+          "integrity": "sha512-01paPWYgLrkqAyrlDorC1uDwl2p3qZT7yl806vW7DvDoxwXi46jsjFbg+WdwotBIk6/MbEhO/dh5aZ5sNj/dWQ==",
           "dev": true,
           "requires": {
-            "mime-db": "1.40.0"
+            "mime-db": "1.43.0"
           }
         }
       }
@@ -11128,9 +11938,9 @@
       }
     },
     "typescript": {
-      "version": "3.3.4000",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.3.4000.tgz",
-      "integrity": "sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA==",
+      "version": "3.7.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.4.tgz",
+      "integrity": "sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==",
       "dev": true
     },
     "uglify-js": {
@@ -11313,9 +12123,9 @@
       }
     },
     "url-join": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
       "dev": true
     },
     "use": {
@@ -11557,9 +12367,9 @@
       }
     },
     "walkdir": {
-      "version": "0.0.12",
-      "resolved": "https://registry.npmjs.org/walkdir/-/walkdir-0.0.12.tgz",
-      "integrity": "sha512-HFhaD4mMWPzFSqhpyDG48KDdrjfn409YQuVW7ckZYhW4sE87mYtWifdB/+73RA7+p4s4K18n5Jfx1kHthE1gBw==",
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/walkdir/-/walkdir-0.4.1.tgz",
+      "integrity": "sha512-3eBwRyEln6E1MSzcxcVpQIhRG8Q1jLvEqRmCZqS3dsfXEDR/AhOF4d+jHg1qvDCpYaVRZjENPQyrVxAkQqxPgQ==",
       "dev": true
     },
     "watchify": {
@@ -12294,6 +13104,48 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-boxed-primitive": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.1.tgz",
+      "integrity": "sha512-7BT4TwISdDGBgaemWU0N0OU7FeAEJ9Oo2P1PHRm/FCWoEi2VLWC9b6xvxAA3C/NMpxg3HXVgi0sMmGbNUbNepQ==",
+      "dev": true,
+      "requires": {
+        "is-bigint": "^1.0.0",
+        "is-boolean-object": "^1.0.0",
+        "is-number-object": "^1.0.3",
+        "is-string": "^1.0.4",
+        "is-symbol": "^1.0.2"
+      },
+      "dependencies": {
+        "has-symbols": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.1.tgz",
+          "integrity": "sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==",
+          "dev": true
+        },
+        "is-symbol": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
+          "integrity": "sha512-OwijhaRSgqvhm/0ZdAcXNZt9lYdKFpcRDT5ULUuYXPoT794UNOdU+gpT6Rzo7b4V2HUl/op6GqY894AZwv9faQ==",
+          "dev": true,
+          "requires": {
+            "has-symbols": "^1.0.1"
+          }
+        }
+      }
+    },
+    "which-collection": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-collection/-/which-collection-1.0.0.tgz",
+      "integrity": "sha512-mG4RtFHE+17N2AxRNvBQ488oBjrhaOaI/G+soUaRJwdyDbu5zmqoAKPYBlY7Zd+QTwpfvInRLKo40feo2si1yA==",
+      "dev": true,
+      "requires": {
+        "is-map": "^2.0.0",
+        "is-set": "^2.0.0",
+        "is-weakmap": "^2.0.0",
+        "is-weakset": "^2.0.0"
+      }
+    },
     "which-module": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
@@ -12314,6 +13166,12 @@
       "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
       "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0="
     },
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "dev": true
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
diff --git a/package.json b/package.json
index 4a3a68c1a73..81615331de1 100644
--- a/package.json
+++ b/package.json
@@ -69,8 +69,8 @@
     "country-regex": "^1.1.0",
     "d3": "^3.5.12",
     "d3-force": "^1.0.6",
-    "d3-hierarchy": "^1.1.8",
-    "d3-interpolate": "1",
+    "d3-hierarchy": "^1.1.9",
+    "d3-interpolate": "^1.4.0",
     "delaunay-triangulate": "^1.1.6",
     "es6-promise": "^3.0.2",
     "fast-isnumeric": "^1.1.3",
@@ -123,44 +123,44 @@
     "brfs": "^2.0.2",
     "browserify": "^16.5.0",
     "browserify-transform-tools": "^1.7.0",
-    "check-node-version": "^3.3.0",
+    "check-node-version": "^4.0.2",
     "chttps": "^1.0.6",
-    "deep-equal": "^1.0.1",
+    "deep-equal": "^2.0.1",
     "derequire": "^2.0.6",
-    "ecstatic": "^3.3.2",
-    "eslint": "^6.3.0",
+    "ecstatic": "^4.1.2",
+    "eslint": "^6.8.0",
     "falafel": "^2.1.0",
     "fs-extra": "^2.0.0",
-    "fuse.js": "^3.4.5",
-    "glob": "^7.1.4",
+    "fuse.js": "^3.4.6",
+    "glob": "^7.1.6",
     "gzip-size": "^5.1.1",
     "image-size": "^0.7.4",
-    "into-stream": "^4.0.0",
-    "jasmine-core": "^3.4.0",
+    "into-stream": "^5.1.1",
+    "jasmine-core": "^3.5.0",
     "jsdom": "^11.12.0",
-    "karma": "^4.3.0",
+    "karma": "^4.4.1",
     "karma-browserify": "^6.1.0",
     "karma-chrome-launcher": "^3.1.0",
-    "karma-firefox-launcher": "^1.2.0",
+    "karma-firefox-launcher": "^1.3.0",
     "karma-ie-launcher": "^1.0.0",
-    "karma-jasmine": "^2.0.1",
-    "karma-jasmine-spec-tags": "^1.1.0",
+    "karma-jasmine": "^3.0.3",
+    "karma-jasmine-spec-tags": "^1.2.0",
     "karma-spec-reporter": "0.0.32",
     "karma-verbose-reporter": "0.0.6",
     "karma-viewport": "^1.0.4",
-    "madge": "^3.4.4",
-    "minify-stream": "^1.2.0",
+    "madge": "^3.6.0",
+    "minify-stream": "^1.2.1",
     "minimist": "^1.2.0",
-    "node-sass": "^4.12.0",
+    "node-sass": "^4.13.0",
     "npm-link-check": "^3.0.0",
-    "open": "^6.4.0",
+    "open": "^7.0.0",
     "prepend-file": "^1.3.1",
     "prettysize": "^2.0.0",
     "read-last-lines": "^1.7.1",
     "requirejs": "^2.3.6",
     "run-series": "^1.1.8",
     "through2": "^3.0.1",
-    "true-case-path": "^1.0.3",
+    "true-case-path": "^2.2.1",
     "watchify": "^3.11.1"
   }
 }
diff --git a/tasks/test_syntax.js b/tasks/test_syntax.js
index 3e77d91e242..14c20675120 100644
--- a/tasks/test_syntax.js
+++ b/tasks/test_syntax.js
@@ -6,7 +6,7 @@ var glob = require('glob');
 var madge = require('madge');
 var readLastLines = require('read-last-lines');
 var eslint = require('eslint');
-var trueCasePath = require('true-case-path');
+var trueCasePath = require('true-case-path').trueCasePathSync;
 
 var common = require('./util/common');
 var isJasmineTestIt = common.isJasmineTestIt;