diff --git a/package-lock.json b/package-lock.json
index 33a7380..b812f49 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -344,9 +344,9 @@
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-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.4.0.tgz",
-      "integrity": "sha512-F1yTDO9OHKH0xjl03DsOe8Nu1OWBIeAugGMhy3UTIYDdbbIPesQIhCEbj+HEr6wqlwweGAlP8F3OBC6kEuhFuw=="
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.4.1.tgz",
+      "integrity": "sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA=="
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@@ -1294,7 +1294,7 @@
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-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
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@@ -1370,7 +1370,7 @@
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           "version": "1.2.3",
-          "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
           "integrity": "sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=",
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@@ -1403,7 +1403,7 @@
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       "version": "3.0.11",
-      "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
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@@ -1800,7 +1800,7 @@
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-      "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+      "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
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@@ -1841,7 +1841,7 @@
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-      "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+      "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
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@@ -2133,7 +2133,7 @@
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     "lodash": {
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-      "resolved": "http://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
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@@ -2286,7 +2286,7 @@
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-      "resolved": "http://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
       "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=",
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@@ -3248,7 +3248,7 @@
       "dependencies": {
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-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
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@@ -3770,7 +3770,7 @@
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         "yargs": {
           "version": "3.10.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "dev": true,
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@@ -4003,7 +4003,7 @@
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         "through2": {
           "version": "0.6.5",
-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
           "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=",
           "dev": true,
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diff --git a/package.json b/package.json
index 7ac3e37..08eab50 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   },
   "homepage": "https://github.com/CT-Data-Collaborative/ctdata-sots-search#readme",
   "dependencies": {
-    "bootstrap": "^3.3.7",
+    "bootstrap": "^3.4.1",
     "bootstrap-datepicker": "^1.6.4",
     "font-awesome": "^4.6.3",
     "jquery": "^3.1.0",