diff --git a/package-lock.json b/package-lock.json
index dcaa28c..b450d60 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-excerpt",
-  "version": "1.1.5",
+  "version": "1.1.6",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2612,7 +2612,7 @@
         },
         "htmlparser2": {
           "version": "3.8.3",
-          "resolved": "http://registry.npmjs.org/htmlparser2/-/htmlparser2-3.8.3.tgz",
+          "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.8.3.tgz",
           "integrity": "sha1-mWwosZFRaovoZQGn15dX5ccMEGg=",
           "dev": true,
           "requires": {
@@ -2642,7 +2642,7 @@
         },
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
           "dev": true
         },
@@ -2654,7 +2654,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
@@ -2666,7 +2666,7 @@
         },
         "string_decoder": {
           "version": "0.10.31",
-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
           "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
           "dev": true
         },
@@ -4183,9 +4183,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.19.0",
-      "resolved": "https://registry.npm.taobao.org/prismjs/download/prismjs-1.19.0.tgz?cache=0&sync_timestamp=1578923636917&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprismjs%2Fdownload%2Fprismjs-1.19.0.tgz",
-      "integrity": "sha1-cTr71Fw7rKSzIVafLfOeF+cp1Nw=",
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
+      "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
       "dev": true,
       "requires": {
         "clipboard": "^2.0.0"