diff --git a/package-lock.json b/package-lock.json
index f83c05fbf..dab7dcedf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -558,14 +558,14 @@
       "dev": true
     },
     "clipboard": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-1.7.1.tgz",
-      "integrity": "sha1-Ng1taUbpmnof7zleQrqStem1oWs=",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
+      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
       "optional": true,
       "requires": {
-        "good-listener": "1.2.2",
-        "select": "1.1.2",
-        "tiny-emitter": "2.0.0"
+        "good-listener": "^1.2.2",
+        "select": "^1.1.2",
+        "tiny-emitter": "^2.0.0"
       }
     },
     "cliui": {
@@ -1277,9 +1277,9 @@
       }
     },
     "delegate": {
-      "version": "3.1.3",
-      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.1.3.tgz",
-      "integrity": "sha1-moJRp3fXAl+qVXN7w7BxdCEnqf0=",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/delegate/-/delegate-3.2.0.tgz",
+      "integrity": "sha512-IofjkYBZaZivn0V8nnsMJGBr4jVLxHDheKSW88PyxS5QC4Vo9ZbZVvhzlSxY87fVq3STR6r+4cGepyHkcWOQSw==",
       "optional": true
     },
     "delegates": {
@@ -2083,7 +2083,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ansi-styles": {
           "version": "2.2.1",
@@ -2140,7 +2141,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -2155,6 +2157,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -2163,6 +2166,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -2171,6 +2175,7 @@
           "version": "1.1.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "0.4.2",
             "concat-map": "0.0.1"
@@ -2179,7 +2184,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.11.0",
@@ -2203,12 +2209,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
@@ -2225,17 +2233,20 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
@@ -2281,7 +2292,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "delegates": {
           "version": "1.0.0",
@@ -2313,7 +2325,8 @@
         "extsprintf": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -2335,12 +2348,14 @@
         "fs.realpath": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "fstream": {
           "version": "1.0.10",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "4.1.11",
             "inherits": "2.0.3",
@@ -2411,6 +2426,7 @@
           "version": "7.1.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -2423,7 +2439,8 @@
         "graceful-fs": {
           "version": "4.1.11",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "graceful-readlink": {
           "version": "1.0.1",
@@ -2473,7 +2490,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -2490,6 +2508,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -2498,7 +2517,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.4",
@@ -2510,6 +2530,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -2541,7 +2562,8 @@
         "isarray": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -2596,12 +2618,14 @@
         "mime-db": {
           "version": "1.26.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.14",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "mime-db": "1.26.0"
           }
@@ -2610,6 +2634,7 @@
           "version": "3.0.3",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.6"
           }
@@ -2617,12 +2642,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2674,7 +2701,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -2692,6 +2720,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -2699,7 +2728,8 @@
         "path-is-absolute": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "pinkie": {
           "version": "2.0.4",
@@ -2719,7 +2749,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -2800,6 +2831,7 @@
           "version": "2.5.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "glob": "7.1.1"
           }
@@ -2860,6 +2892,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
@@ -2869,7 +2902,8 @@
         "string_decoder": {
           "version": "0.10.31",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "stringstream": {
           "version": "0.0.5",
@@ -2881,6 +2915,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -2901,6 +2936,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.10",
@@ -2979,7 +3015,8 @@
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
@@ -3008,7 +3045,8 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "xtend": {
           "version": "4.0.1",
@@ -3199,7 +3237,7 @@
       "integrity": "sha1-1TswzfkxPf+33JoNR3CWqm0UXFA=",
       "optional": true,
       "requires": {
-        "delegate": "3.1.3"
+        "delegate": "^3.1.2"
       }
     },
     "got": {
@@ -5707,11 +5745,11 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.6.0.tgz",
-      "integrity": "sha1-EY2V+3pm26InLjQ7NF9SNmWds2U=",
+      "version": "1.21.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.21.0.tgz",
+      "integrity": "sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==",
       "requires": {
-        "clipboard": "1.7.1"
+        "clipboard": "^2.0.0"
       }
     },
     "process-nextick-args": {
@@ -6750,9 +6788,9 @@
       "dev": true
     },
     "tiny-emitter": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.0.0.tgz",
-      "integrity": "sha1-utMnrbGAS0KiMa+nQVMr2ITNCa0=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
       "optional": true
     },
     "tinydate": {
diff --git a/package.json b/package.json
index fe65862ad..86c04ee58 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "dependencies": {
     "marked": "^0.3.9",
     "medium-zoom": "^0.2.0",
-    "prismjs": "^1.6.0",
+    "prismjs": "^1.21.0",
     "tinydate": "^1.0.0",
     "tweezer.js": "^1.4.0"
   },