diff --git a/package-lock.json b/package-lock.json
index 9de66ac..a4774df 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@koa/cors": "^3.4.3",
         "basic-auth": "^2.0.1",
         "boardgame.io": "^0.49.13",
-        "bootstrap": "^4.6.0",
+        "bootstrap": "^5.3.0",
         "cornucopia-cards-modified": "file:cornucopiaCards",
         "esm": "^3.2.25",
         "jointjs": "^3.7.1",
@@ -3296,6 +3296,16 @@
         }
       }
     },
+    "node_modules/@popperjs/core": {
+      "version": "2.11.8",
+      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
+      "integrity": "sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==",
+      "peer": true,
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/popperjs"
+      }
+    },
     "node_modules/@rollup/plugin-babel": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-babel/-/plugin-babel-5.3.1.tgz",
@@ -5860,16 +5870,21 @@
       "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
     },
     "node_modules/bootstrap": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.6.0.tgz",
-      "integrity": "sha512-Io55IuQY3kydzHtbGvQya3H+KorS/M9rSNyfCGCg9WZ4pyT/lCxIlpJgG1GXW/PswzC84Tr2fBYi+7+jFVQQBw==",
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/bootstrap"
-      },
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.3.0.tgz",
+      "integrity": "sha512-UnBV3E3v4STVNQdms6jSGO2CvOkjUMdDAVR2V5N4uCMdaIkaQjbcEAMqRimDHIs4uqBYzDAKCQwCB+97tJgHQw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/twbs"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/bootstrap"
+        }
+      ],
       "peerDependencies": {
-        "jquery": "1.9.1 - 3",
-        "popper.js": "^1.16.1"
+        "@popperjs/core": "^2.11.7"
       }
     },
     "node_modules/brace-expansion": {
@@ -21918,6 +21933,12 @@
         "source-map": "^0.7.3"
       }
     },
+    "@popperjs/core": {
+      "version": "2.11.8",
+      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
+      "integrity": "sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==",
+      "peer": true
+    },
     "@rollup/plugin-babel": {
       "version": "5.3.1",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-babel/-/plugin-babel-5.3.1.tgz",
@@ -23937,9 +23958,9 @@
       "integrity": "sha1-aN/1++YMUes3cl6p4+0xDcwed24="
     },
     "bootstrap": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.6.0.tgz",
-      "integrity": "sha512-Io55IuQY3kydzHtbGvQya3H+KorS/M9rSNyfCGCg9WZ4pyT/lCxIlpJgG1GXW/PswzC84Tr2fBYi+7+jFVQQBw==",
+      "version": "5.3.0",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.3.0.tgz",
+      "integrity": "sha512-UnBV3E3v4STVNQdms6jSGO2CvOkjUMdDAVR2V5N4uCMdaIkaQjbcEAMqRimDHIs4uqBYzDAKCQwCB+97tJgHQw==",
       "requires": {}
     },
     "brace-expansion": {
diff --git a/package.json b/package.json
index 2e4cfc2..37c2369 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@koa/cors": "^3.4.3",
     "basic-auth": "^2.0.1",
     "boardgame.io": "^0.49.13",
-    "bootstrap": "^4.6.0",
+    "bootstrap": "^5.3.0",
     "cornucopia-cards-modified": "file:cornucopiaCards",
     "esm": "^3.2.25",
     "jointjs": "^3.7.1",