diff --git a/freechat-client/package-lock.json b/freechat-client/package-lock.json
index 677326a..b8fc60c 100644
--- a/freechat-client/package-lock.json
+++ b/freechat-client/package-lock.json
@@ -152,9 +152,9 @@
       "optional": true
     },
     "bootstrap": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.4.0.tgz",
-      "integrity": "sha512-dqCYJNs/Fxa3IVQ+v/lC694POCThUjZsA4wwqs8l+yk67B6ww2Ki++WaM6CVGe5+tArBBrknzjjh01/NT5rLjA=="
+      "version": "4.5.3",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-4.5.3.tgz",
+      "integrity": "sha512-o9ppKQioXGqhw8Z7mah6KdTYpNQY//tipnkxppWhPbiSWdD+1raYsnhwEZjkTHYbGee4cVQ0Rx65EhOY/HNLcQ=="
     },
     "buffer-crc32": {
       "version": "0.2.13",
@@ -780,11 +780,6 @@
         "once": "^1.3.1"
       }
     },
-    "purecss": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/purecss/-/purecss-1.0.1.tgz",
-      "integrity": "sha512-mTUc5ZzpzafswEhCmTDfSRMMyRFdLYdd+KywMwnBC/MuA/Th7jug2z0Xso4WkxvtxoU/BS9aRb7WnBNyuA7YJQ=="
-    },
     "readable-stream": {
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
diff --git a/freechat-client/package.json b/freechat-client/package.json
index c3f0e83..ecea4c7 100644
--- a/freechat-client/package.json
+++ b/freechat-client/package.json
@@ -6,10 +6,9 @@
     "start": "sh scripts/build-sass.sh build && electron ."
   },
   "dependencies": {
-    "bootstrap": "^4.1.3",
+    "bootstrap": "^4.5.3",
     "jquery": "^3.5.1",
     "popper.js": "^1.14.4",
-    "purecss": "^1.0.1",
     "socket.io": "^3.0.3",
     "socket.io-client": "^3.0.3",
     "ws": "^7.4.0"