diff --git a/pkgs/applications/misc/electrum/grs.nix b/pkgs/applications/misc/electrum/grs.nix
index a0c9e49fb60e..4850cfeb1da5 100644
--- a/pkgs/applications/misc/electrum/grs.nix
+++ b/pkgs/applications/misc/electrum/grs.nix
@@ -44,7 +44,7 @@ python3.pkgs.buildPythonApplication {
     bitstring
     cryptography
     dnspython
-    groestlcoin_hash
+    groestlcoin-hash
     jsonrpclib-pelix
     matplotlib
     pbkdf2
diff --git a/pkgs/development/python-modules/groestlcoin_hash/default.nix b/pkgs/development/python-modules/groestlcoin-hash/default.nix
similarity index 86%
rename from pkgs/development/python-modules/groestlcoin_hash/default.nix
rename to pkgs/development/python-modules/groestlcoin-hash/default.nix
index 477ff19e33ab..e5dc1f045eaa 100644
--- a/pkgs/development/python-modules/groestlcoin_hash/default.nix
+++ b/pkgs/development/python-modules/groestlcoin-hash/default.nix
@@ -4,12 +4,13 @@
 }:
 
 buildPythonPackage rec {
-  pname = "groestlcoin_hash";
+  pname = "groestlcoin-hash";
   version = "1.0.3";
   format = "setuptools";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "groestlcoin_hash";
+    inherit version;
     sha256 = "31a8f6fa4c19db5258c3c73c071b71702102c815ba862b6015d9e4b75ece231e";
   };
 
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 679c56170c6a..71a4993e5fa7 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -187,6 +187,7 @@ mapAliases ({
   graphite_api = throw "graphite_api was removed, because it is no longer maintained"; # added 2022-07-10
   graphite_beacon = throw "graphite_beacon was removed, because it is no longer maintained"; # added 2022-07-09
   grappelli_safe = grappelli-safe; # added 2023-10-08
+  groestlcoin_hash = groestlcoin-hash; # added 2024-01-06
   grpc_google_iam_v1 = grpc-google-iam-v1; # added 2021-08-21
   guzzle_sphinx_theme = guzzle-sphinx-theme; # added 2023-10-16
   ha-av = throw "ha-av was removed, because it is no longer maintained"; # added 2022-04-06
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 371ecceb633a..ae1cf7d55b3e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4905,7 +4905,7 @@ self: super: with self; {
 
   grip = callPackage ../development/python-modules/grip { };
 
-  groestlcoin_hash = callPackage ../development/python-modules/groestlcoin_hash { };
+  groestlcoin-hash = callPackage ../development/python-modules/groestlcoin-hash { };
 
   grpc-google-iam-v1 = callPackage ../development/python-modules/grpc-google-iam-v1 { };