diff --git a/package.json b/package.json
index 6277cd4..71902a8 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "d3-transition": "~1.1.1",
     "fetch-mock": "~5.13.1",
     "handlebars": "~4.0.11",
-    "highlight.js": "9.12.0",
+    "highlight.js": "10.4.1",
     "http-server": "~0.10.0",
     "jasmine-core": "~2.6.4",
     "minimist": "~1.2.0",
diff --git a/yarn.lock b/yarn.lock
index a74d4a8..c13c84a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2186,7 +2186,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -3721,9 +3721,9 @@ highlight-es@^1.0.1:
     is-es2016-keyword "^1.0.0"
     js-tokens "^3.0.0"
 
-highlight.js@9.12.0:
-  version "9.12.0"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-9.12.0.tgz#e6d9dbe57cbefe60751f02af336195870c90c01e"
+highlight.js@10.4.1:
+  version "10.4.1"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.4.1.tgz#d48fbcf4a9971c4361b3f95f302747afe19dbad0"
 
 hmac-drbg@^1.0.0:
   version "1.0.1"