diff --git a/pkgs/development/python-modules/gcs-oauth2-boto-plugin/default.nix b/pkgs/development/python-modules/gcs-oauth2-boto-plugin/default.nix
index cb298fa2bab13..85e18fb12499a 100644
--- a/pkgs/development/python-modules/gcs-oauth2-boto-plugin/default.nix
+++ b/pkgs/development/python-modules/gcs-oauth2-boto-plugin/default.nix
@@ -11,7 +11,7 @@
 , pytestCheckHook
 , pythonOlder
 , pythonRelaxDepsHook
-, retry_decorator
+, retry-decorator
 , rsa
 , six
 }:
@@ -43,7 +43,7 @@ buildPythonPackage rec {
     httplib2
     oauth2client
     pyopenssl
-    retry_decorator
+    retry-decorator
     rsa
     six
   ];
diff --git a/pkgs/development/python-modules/retry_decorator/default.nix b/pkgs/development/python-modules/retry-decorator/default.nix
similarity index 100%
rename from pkgs/development/python-modules/retry_decorator/default.nix
rename to pkgs/development/python-modules/retry-decorator/default.nix
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 86f10c04908ec..097fc280990e2 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -408,6 +408,7 @@ mapAliases ({
   rdflib-jsonld = throw "rdflib-jsonld is not compatible with rdflib 6"; # added 2021-11-05
   recaptcha_client = throw "recaptcha_client has been removed since it is no longer maintained"; # added 2023-10-20
   rednose = throw "rednose is no longer maintained (since February 2018)"; # added 2023-08-06
+  retry_decorator = retry-decorator; # added 2024-01-07
   retworkx = rustworkx; # added 2023-05-14
   repeated_test = repeated-test; # added 2022-11-15
   repoze_lru = repoze-lru; # added 2023-11-11
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 73ace0d799d5e..efc72b0f561ac 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12524,7 +12524,7 @@ self: super: with self; {
 
   retry = callPackage ../development/python-modules/retry { };
 
-  retry_decorator = callPackage ../development/python-modules/retry_decorator { };
+  retry-decorator = callPackage ../development/python-modules/retry-decorator { };
 
   retrying = callPackage ../development/python-modules/retrying { };