diff --git a/pkgs/development/tools/rain/default.nix b/pkgs/development/tools/rain/default.nix
index 91f5c0f6ab85..11e143dfda23 100644
--- a/pkgs/development/tools/rain/default.nix
+++ b/pkgs/development/tools/rain/default.nix
@@ -7,16 +7,16 @@
 
 buildGoModule rec {
   pname = "rain";
-  version = "1.12.0";
+  version = "1.15.0";
 
   src = fetchFromGitHub {
     owner = "aws-cloudformation";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-oj9/xVbb8+J4g/ul2CEs5LH7OKJdEqTTZonCHVlDc7M=";
+    sha256 = "sha256-B+LSwZ1AugYhMlt1XcG8i8SIORO0vFMUxJrF6z3Crus=";
   };
 
-  vendorHash = "sha256-NcM+SdIgqtSRg7Fcwml/V73qYHcowBdOtmuF7EMSBB8=";
+  vendorHash = "sha256-JTKoEuO3D+/MO7FeSu1tiVqERkQiu2nG/KiEth1ylG0=";
 
   subPackages = [ "cmd/rain" ];