diff --git a/pkgs/development/python-modules/posix_ipc/default.nix b/pkgs/development/python-modules/posix-ipc/default.nix
similarity index 100%
rename from pkgs/development/python-modules/posix_ipc/default.nix
rename to pkgs/development/python-modules/posix-ipc/default.nix
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 55637f24f480..d59440dab780 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -286,6 +286,7 @@ mapAliases ({
   poetry = throw "poetry was promoted to a top-level attribute, use poetry-core to build Python packages"; # added 2023-01-09
   poetry2conda = throw "poetry2conda was promoted to a top-level attribute"; # Added 2022-10-02
   Polygon3 = polygon3; # Added 2023-08-08
+  posix_ipc = posix-ipc; # added 2024-01-07
   poster3 = throw "poster3 is unmaintained and source is no longer available"; # added 2023-05-29
   postorius = throw "Please use pkgs.mailmanPackages.postorius"; # added 2022-04-29
   powerlineMemSegment = powerline-mem-segment; # added 2021-10-08
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6036bfd2fd3d..d9902f667bed 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -9694,7 +9694,7 @@ self: super: with self; {
 
   portpicker = callPackage ../development/python-modules/portpicker { };
 
-  posix_ipc = callPackage ../development/python-modules/posix_ipc { };
+  posix-ipc = callPackage ../development/python-modules/posix-ipc { };
 
   posthog = callPackage ../development/python-modules/posthog { };