diff --git a/pkgs/tools/networking/rdap/default.nix b/pkgs/tools/networking/rdap/default.nix
index 22966d7afaea..b41b0ea28f1b 100644
--- a/pkgs/tools/networking/rdap/default.nix
+++ b/pkgs/tools/networking/rdap/default.nix
@@ -2,14 +2,14 @@
 
 buildGoModule rec {
   pname = "rdap";
-  version = "2019-10-17";
-  vendorSha256 = "sha256-j7sE62NqbN8UrU1mM9WYGYu/tkqw56sNKQ125QQXAmo=";
+  version = "0.9.1";
+  vendorSha256 = "sha256-8b1EAnR8PkEAw9yLBqPKFeANJit0OCJG+fssAGR/iTk=";
 
   src = fetchFromGitHub {
     owner = "openrdap";
     repo = "rdap";
-    rev = "af93e7ef17b78dee3e346814731377d5ef7b89f3";
-    sha256 = "sha256-7MR4izJommdvxDZSRxguwqJWu6KXw/X73RJxSmUD7oQ=";
+    rev = "v${version}";
+    sha256 = "sha256-FiaUyhiwKXZ3xnFPmdxb8bpbm5eRRFNDL3duOGDnc/A=";
   };
 
   doCheck = false;