diff --git a/package.json b/package.json
index ae029b8..51f8724 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "@glimmer/component": "^1.0.0",
     "@glimmer/tracking": "^1.0.0",
     "babel-eslint": "^10.0.3",
-    "bootstrap": "^3.4.1",
+    "bootstrap": "^5.1.3",
     "bootstrap-sass": "^3.4.3",
     "bootswatch": "^3.4.1",
     "broccoli-asset-rev": "^3.0.0",
diff --git a/yarn.lock b/yarn.lock
index f54d0e8..dcdc71b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3169,10 +3169,10 @@ bootstrap-sass@^3.4.3:
   resolved "https://registry.yarnpkg.com/bootstrap-sass/-/bootstrap-sass-3.4.3.tgz#742cc8f4286303ae9fe8e4c95237321eae73766c"
   integrity sha512-vPgFnGMp1jWZZupOND65WS6mkR8rxhJxndT/AcMbqcq1hHMdkcH4sMPhznLzzoHOHkSCrd6J9F8pWBriPCKP2Q==
 
-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@^5.1.3:
+  version "5.1.3"
+  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-5.1.3.tgz#ba081b0c130f810fa70900acbc1c6d3c28fa8f34"
+  integrity sha512-fcQztozJ8jToQWXxVuEyXWW+dSo8AiXWKwiSSrKWsRB/Qt+Ewwza+JWoLKiTuQLaEPhdNAJ7+Dosc9DOIqNy7Q==
 
 bootswatch@^3.4.1:
   version "3.4.1"