diff --git a/pkgs/top-level/ruby-packages.nix b/pkgs/top-level/ruby-packages.nix
index 315651612d957..07939c16f8642 100644
--- a/pkgs/top-level/ruby-packages.nix
+++ b/pkgs/top-level/ruby-packages.nix
@@ -1662,10 +1662,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "0dd66xccm6zg2szhcn740nvk3bhzknw169knr992qlf43hvsz2qa";
+      sha256 = "1k71h37jv0hn61sw9nrmph6mlw1y2d4bibk43163ndj7v1vfq76j";
       type = "gem";
     };
-    version = "4.3.3";
+    version = "4.3.6";
   };
   globalid = {
     dependencies = [ "activesupport" ];