diff --git a/dapps/tests/app/package.json b/dapps/tests/app/package.json
index 1f79019d3..4686634cb 100644
--- a/dapps/tests/app/package.json
+++ b/dapps/tests/app/package.json
@@ -2,7 +2,7 @@
   "description": "Test DApp for integration testing purposes",
   "devDependencies": {
     "@babel/code-frame": "7.0.0",
-    "bootstrap": "4.3.1",
+    "bootstrap": "3.4.1",
     "embark": "^4.1.0",
     "embark-dapp-test-service": "^4.0.0",
     "embark-i18n": "^4.1.0",
diff --git a/yarn.lock b/yarn.lock
index 413c37a0f..87e900d4e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5352,6 +5352,11 @@ boolbase@^1.0.0, boolbase@~1.0.0:
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
   integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
 
+bootstrap@3.4.1:
+  version "3.4.1"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-3.4.1.tgz#c3a347d419e289ad11f4033e3c4132b87c081d72"
+  integrity sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA==
+
 bootstrap@4.3.1, bootstrap@^4.1.3:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.3.1.tgz#280ca8f610504d99d7b6b4bfc4b68cec601704ac"