diff --git a/playground/package-lock.json b/playground/package-lock.json
index 3828c8c20..107b34c74 100644
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
@@ -4001,7 +4001,8 @@
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           "resolved": false,
           "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
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@@ -4025,13 +4026,15 @@
           "version": "1.0.0",
           "resolved": false,
           "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-          "dev": true
+          "dev": true,
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@@ -4048,19 +4051,22 @@
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           "resolved": false,
           "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "0.0.1",
           "resolved": false,
           "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.0",
           "resolved": false,
           "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4191,7 +4197,8 @@
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           "resolved": false,
           "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4205,6 +4212,7 @@
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           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -4221,6 +4229,7 @@
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           "dev": true,
+          "optional": true,
           "requires": {
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@@ -4229,13 +4238,15 @@
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           "resolved": false,
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "resolved": false,
           "integrity": "sha512-hzXIWWet/BzWhYs2b+u7dRHlruXhwdgvlTMDKC6Cb1U7ps6Ac6yQlR39xsbjWJE377YTCtKwIXIpJ5oP+j5y8g==",
           "dev": true,
+          "optional": true,
           "requires": {
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             "yallist": "^3.0.0"
@@ -4256,6 +4267,7 @@
           "resolved": false,
           "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4344,7 +4356,8 @@
           "version": "1.0.1",
           "resolved": false,
           "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4358,6 +4371,7 @@
           "resolved": false,
           "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4453,7 +4467,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4495,6 +4510,7 @@
           "resolved": false,
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "is-fullwidth-code-point": "^1.0.0",
@@ -4516,6 +4532,7 @@
           "resolved": false,
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
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@@ -4564,13 +4581,15 @@
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           "resolved": false,
           "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "resolved": false,
           "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
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@@ -9075,30 +9094,61 @@
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-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/url-loader/-/url-loader-1.1.2.tgz",
-      "integrity": "sha512-dXHkKmw8FhPqu8asTc1puBfe3TehOCo2+RmOOev5suNCIYBcT626kxiWg1NBVkwc4rO8BGa7gP70W7VXuqHrjg==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/url-loader/-/url-loader-2.1.0.tgz",
+      "integrity": "sha512-kVrp/8VfEm5fUt+fl2E0FQyrpmOYgMEkBsv8+UDP1wFhszECq5JyGF33I7cajlVY90zRZ6MyfgKXngLvHYZX8A==",
       "dev": true,
       "requires": {
-        "loader-utils": "^1.1.0",
-        "mime": "^2.0.3",
-        "schema-utils": "^1.0.0"
+        "loader-utils": "^1.2.3",
+        "mime": "^2.4.4",
+        "schema-utils": "^2.0.0"
       },
       "dependencies": {
+        "big.js": {
+          "version": "5.2.2",
+          "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
+          "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==",
+          "dev": true
+        },
+        "json5": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "dev": true,
+          "requires": {
+            "minimist": "^1.2.0"
+          }
+        },
+        "loader-utils": {
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.2.3.tgz",
+          "integrity": "sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==",
+          "dev": true,
+          "requires": {
+            "big.js": "^5.2.2",
+            "emojis-list": "^2.0.0",
+            "json5": "^1.0.1"
+          }
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         "mime": {
-          "version": "2.4.0",
-          "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.0.tgz",
-          "integrity": "sha512-ikBcWwyqXQSHKtciCcctu9YfPbFYZ4+gbHEmE0Q8jzcTYQg5dHCr3g2wwAZjPoJfQVXZq6KXAjpXOTf5/cjT7w==",
+          "version": "2.4.4",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
+          "integrity": "sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==",
+          "dev": true
+        },
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
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         "schema-utils": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
-          "integrity": "sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==",
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-2.0.0.tgz",
+          "integrity": "sha512-4JfkJmuT78xkJAZrYivuu6RNfX57ul5u+jsfxwRAdWw5eE1qIY/i4go1A3zAdJlTwYXLbvWHWXVvoYu3PjGf9A==",
           "dev": true,
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             "ajv": "^6.1.0",
-            "ajv-errors": "^1.0.0",
             "ajv-keywords": "^3.1.0"
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diff --git a/playground/package.json b/playground/package.json
index 7e0eeab0c..a6b9b5565 100644
--- a/playground/package.json
+++ b/playground/package.json
@@ -39,7 +39,7 @@
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     "preload-webpack-plugin": "3.0.0-beta.3",
     "style-loader": "0.23.0",
-    "url-loader": "1.1.2",
+    "url-loader": "2.1.0",
     "url-search-params": "1.1.0",
     "wade": "0.3.3",
     "webpack": "4.20.2",