diff --git a/pkgs/development/tools/analysis/brakeman/default.nix b/pkgs/development/tools/analysis/brakeman/default.nix
index 90eeffd58da..78a4396698b 100644
--- a/pkgs/development/tools/analysis/brakeman/default.nix
+++ b/pkgs/development/tools/analysis/brakeman/default.nix
@@ -4,8 +4,8 @@ buildRubyGem rec {
   inherit ruby;
   name = "${gemName}-${version}";
   gemName = "brakeman";
-  version = "4.5.0";
-  source.sha256 = "0c11i01yw87fssmwbybaqf5rdxsjp44hvxdw54c3iqb8fvj76b68";
+  version = "4.5.1";
+  source.sha256 = "0vqnhlswvrg5fpxszfkjmla85gdlvgspz0whlli730ydx648mi68";
 
   meta = with lib; {
     description = "Static analysis security scanner for Ruby on Rails";