diff --git a/web_src/package-lock.json b/web_src/package-lock.json
index c30bfb7..0ec0027 100644
--- a/web_src/package-lock.json
+++ b/web_src/package-lock.json
@@ -1415,9 +1415,9 @@
       }
     },
     "bootstrap": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.3.7.tgz",
-      "integrity": "sha1-WjiTlFSfIzMIdaOxUGVldPip63E=",
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.4.1.tgz",
+      "integrity": "sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA==",
       "dev": true
     },
     "bootstrap-colorpicker": {
diff --git a/web_src/package.json b/web_src/package.json
index 2572b11..864fc88 100644
--- a/web_src/package.json
+++ b/web_src/package.json
@@ -20,7 +20,7 @@
     "babel-polyfill": "6.26.0",
     "babel-preset-env": "1.6.1",
     "babel-preset-stage-2": "6.24.1",
-    "bootstrap": "3.3.7",
+    "bootstrap": "3.4.1",
     "clean-webpack-plugin": "0.1.19",
     "copy-webpack-plugin": "4.5.1",
     "cross-env": "5.1.4",