diff --git a/package.json b/package.json
index bfa937858..0178a7d2c 100644
--- a/package.json
+++ b/package.json
@@ -80,6 +80,7 @@
     "babel-plugin-transform-rename-import": "^2.3.0",
     "babel-preset-jason": "^6.0.1",
     "bootstrap": "^3.3.5",
+    "bootstrap-sass": "^3.4.1",
     "component-metadata-loader": "^4.0.0",
     "cpy-cli": "^2.0.0",
     "eslint": "^5.8.0",
@@ -121,9 +122,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.1.5",
-    "bootstrap-sass": "^3.4.1",
     "classnames": "^2.2.6",
-    "date-arithmetic": "^4.0.0",
+    "date-arithmetic": "^4.0.1",
     "dom-helpers": "^3.4.0",
     "invariant": "^2.2.4",
     "lodash": "^4.17.11",
diff --git a/yarn.lock b/yarn.lock
index 1d367bcaf..62d9b28bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4346,10 +4346,10 @@ data-urls@^1.0.0:
     whatwg-mimetype "^2.2.0"
     whatwg-url "^7.0.0"
 
-date-arithmetic@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/date-arithmetic/-/date-arithmetic-4.0.0.tgz#20514510adc5cbfc507151d5f133333ba95c891e"
-  integrity sha512-dIeY8FEapS0T0VK0YaHH+69ouYR429Xb9pXugBLAEAs4WfRYOVCyPE5EF7gpILFnA2M8U9WfF5WPS/hHvCg7qg==
+date-arithmetic@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/date-arithmetic/-/date-arithmetic-4.0.1.tgz#e7f94da8a14ebf4d2bbe4fb66598532c25dc1fb5"
+  integrity sha512-fawhJU3ajJud093das8L3PSXqDb+LjclKhRTIbVX1xC+QeHtL/30kNTkS8s/lOiKMGMngxKvwEzQhBEmK/KQnQ==
 
 date-fns@^1.27.2:
   version "1.30.1"