diff --git a/package-lock.json b/package-lock.json
index 7a7d35b..5f55b98 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,9 @@
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@@ -1498,9 +1449,9 @@
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@@ -1511,9 +1462,9 @@
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@@ -1529,9 +1480,9 @@
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@@ -1556,9 +1507,9 @@
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+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
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@@ -1667,6 +1618,17 @@
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@@ -1690,12 +1652,20 @@
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+        "ansi-regex": "^4.1.0"
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+          "dev": true
+        }
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@@ -1704,6 +1674,12 @@
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+    "strip-json-comments": {
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+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.0.1.tgz",
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@@ -1741,15 +1711,6 @@
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@@ -1760,9 +1721,9 @@
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+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.3.2.tgz",
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diff --git a/package.json b/package.json
index bd60585..e8a5240 100644
--- a/package.json
+++ b/package.json
@@ -40,12 +40,12 @@
     "test:specs": "node spec/console-runner.js file:///`pwd`/spec/runner.html"
   },
   "devDependencies": {
-    "eslint": "^6.3.0",
-    "jasmine": "^3.4.0",
+    "eslint": "^6.4.0",
+    "jasmine": "^3.5.0",
     "npm-run-all": "^4.1.5",
-    "puppeteer": "^1.19.0",
-    "rollup": "^1.20.3",
+    "puppeteer": "^1.20.0",
+    "rollup": "^1.21.4",
     "rollup-plugin-filesize": "^6.2.0",
-    "rollup-plugin-terser": "^5.1.1"
+    "rollup-plugin-terser": "^5.1.2"
   }
 }