diff --git a/package-lock.json b/package-lock.json
index 9729daa..10e78a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3182,6 +3182,11 @@
         }
       }
     },
+    "tslib": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.3.0.tgz",
+      "integrity": "sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg=="
+    },
     "tsscmp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/tsscmp/-/tsscmp-1.0.5.tgz",
@@ -3380,9 +3385,12 @@
       }
     },
     "zrender": {
-      "version": "3.7.4",
-      "resolved": "https://registry.npmjs.org/zrender/-/zrender-3.7.4.tgz",
-      "integrity": "sha512-5Nz7+L1wIoL0+Pp/iOP56jD6eD017qC9VRSgUBheXBiAHgOBJZ4uh4/g6e83acIwa8RKSyZf/FlceKu5ntUuxQ=="
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/zrender/-/zrender-5.2.1.tgz",
+      "integrity": "sha512-M3bPGZuyLTNBC6LiNKXJwSCtglMp8XUEqEBG+2MdICDI3d1s500Y4P0CzldQGsqpRVB7fkvf3BKQQRxsEaTlsw==",
+      "requires": {
+        "tslib": "2.3.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 848089e..b330c48 100644
--- a/package.json
+++ b/package.json
@@ -27,6 +27,6 @@
     "swagger-ui-dist": "^3.17.3",
     "v8debug": "^0.1.2",
     "webpage": "^0.3.0",
-    "zrender": "^3.7.4"
+    "zrender": "^5.2.1"
   }
 }