diff --git a/pkgs/development/web/twitter-bootstrap/default.nix b/pkgs/development/web/twitter-bootstrap/default.nix
index 336e5af5a4b..14fd9a219ec 100644
--- a/pkgs/development/web/twitter-bootstrap/default.nix
+++ b/pkgs/development/web/twitter-bootstrap/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "bootstrap";
-  version = "4.5.2";
+  version = "4.5.3";
 
   src = fetchurl {
     url = "https://github.com/twbs/bootstrap/releases/download/v${version}/${pname}-${version}-dist.zip";
-    sha256 = "03brvh7fir9ylfr0c5b6kvf79bkjny0wxw4r5q8x8h2niycrkazg";
+    sha256 = "0w87b0vbwsdb4ag359y5pppxjvqnxk1949mszzn8ay2i5h47mjq6";
   };
 
   buildInputs = [ unzip ];