diff --git a/pkgs/top-level/ruby-packages.nix b/pkgs/top-level/ruby-packages.nix
index 16cbd080d740..05a7be580b0e 100644
--- a/pkgs/top-level/ruby-packages.nix
+++ b/pkgs/top-level/ruby-packages.nix
@@ -3137,10 +3137,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0428ady49qssmnmwnafzrjvyba8mzbridsgblv7c7kmd0vqgfn99";
+      sha256 = "1ik3in0957l9s6iwdm3nsk4za072cj27riiqgpx6zzcd22flbw3s";
       type = "gem";
     };
-    version = "3.3.0";
+    version = "3.3.6";
   };
   rmagick = {
     dependencies = ["observer" "pkg-config"];