diff --git a/package-lock.json b/package-lock.json
index 8c8de5d..edc15ad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2,7 +2,6 @@
   "name": "travetto.github.io",
   "version": "0.0.0",
   "lockfileVersion": 1,
-  "preserveSymlinks": "1",
   "requires": true,
   "dependencies": {
     "@angular-devkit/architect": {
@@ -2163,9 +2162,9 @@
       "dev": true
     },
     "clipboard": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.4.tgz",
-      "integrity": "sha512-Vw26VSLRpJfBofiVaFb/I8PVfdI1OxKcYShe6fm0sP/DtmiWQNCjhM/okTvdCo0G+lMMm1rMYbk4IK4x1X+kgQ==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
+      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
       "dev": true,
       "optional": true,
       "requires": {
@@ -7611,9 +7610,9 @@
       "dev": true
     },
     "prismjs": {
-      "version": "1.16.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.16.0.tgz",
-      "integrity": "sha512-OA4MKxjFZHSvZcisLGe14THYsug/nF6O1f0pAJc0KN0wTyAcLqmsbE+lTGKSpyh+9pEW57+k6pg2AfYR+coyHA==",
+      "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"
diff --git a/package.json b/package.json
index b07a159..5c50dda 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "karma-jasmine": "~2.0.1",
     "karma-jasmine-html-reporter": "^1.4.0",
     "marked": "^0.6.1",
-    "prismjs": "^1.16.0",
+    "prismjs": "^1.21.0",
     "protractor": "^6.0.0",
     "ts-node": "~8.0.3",
     "tslint": "~5.14.0",