diff --git a/package-lock.json b/package-lock.json
index febfb8d0e..36f7d987b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,27 +5,27 @@
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@@ -12233,9 +12006,9 @@
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-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.2.1.tgz",
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+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.1.tgz",
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@@ -12446,12 +12219,12 @@
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-      "resolved": "https://registry.npmjs.org/ttest/-/ttest-2.0.0.tgz",
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+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/ttest/-/ttest-2.1.0.tgz",
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       "dev": true,
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-        "distributions": "^2.0.0",
+        "distributions": "^2.1.0",
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@@ -12897,12 +12670,6 @@
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@@ -12930,9 +12697,9 @@
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+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.40.2.tgz",
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@@ -12960,36 +12727,28 @@
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-          "dev": true,
-          "requires": {
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-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
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           "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
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           "dev": true
         },
+        "eslint-scope": {
+          "version": "4.0.3",
+          "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.3.tgz",
+          "integrity": "sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==",
+          "dev": true,
+          "requires": {
+            "esrecurse": "^4.1.0",
+            "estraverse": "^4.1.1"
+          }
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           "resolved": "https://registry.npmjs.org/events/-/events-3.0.0.tgz",
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-        "json-schema-traverse": {
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diff --git a/package.json b/package.json
index 2e8808b91..c77dac209 100644
--- a/package.json
+++ b/package.json
@@ -2,19 +2,19 @@
   "name": "pdf.js",
   "version": "2.0.0",
   "devDependencies": {
-    "@babel/core": "^7.5.5",
-    "@babel/plugin-transform-modules-commonjs": "^7.5.0",
-    "@babel/plugin-transform-runtime": "^7.5.5",
-    "@babel/preset-env": "^7.5.5",
-    "@babel/runtime": "^7.5.5",
+    "@babel/core": "^7.6.0",
+    "@babel/plugin-transform-modules-commonjs": "^7.6.0",
+    "@babel/plugin-transform-runtime": "^7.6.0",
+    "@babel/preset-env": "^7.6.0",
+    "@babel/runtime": "^7.6.0",
     "acorn": "^6.3.0",
     "autoprefixer": "^9.6.1",
     "babel-loader": "^8.0.6",
     "canvas": "^2.6.0",
     "core-js": "^2.6.9",
     "escodegen": "^1.12.0",
-    "eslint": "^6.2.2",
-    "eslint-config-prettier": "^6.2.0",
+    "eslint": "^6.4.0",
+    "eslint-config-prettier": "^6.3.0",
     "eslint-plugin-fetch-options": "^0.0.5",
     "eslint-plugin-html": "^6.0.0",
     "eslint-plugin-import": "^2.18.2",
@@ -42,12 +42,12 @@
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     "systemjs": "^0.21.6",
     "systemjs-plugin-babel": "^0.0.25",
-    "terser": "^4.2.1",
-    "ttest": "^2.0.0",
+    "terser": "^4.3.1",
+    "ttest": "^2.1.0",
     "typogr": "^0.6.8",
     "vinyl": "^2.2.0",
     "vinyl-fs": "^3.0.3",
-    "webpack": "^4.39.2",
+    "webpack": "^4.40.2",
     "webpack-stream": "^4.0.3",
     "wintersmith": "^2.5.0",
     "yargs": "^11.1.0"