diff --git a/pkgs/development/python-modules/pyramid_beaker/default.nix b/pkgs/development/python-modules/pyramid-beaker/default.nix
similarity index 90%
rename from pkgs/development/python-modules/pyramid_beaker/default.nix
rename to pkgs/development/python-modules/pyramid-beaker/default.nix
index 494a8e0c0bfb..4a9fd61f2616 100644
--- a/pkgs/development/python-modules/pyramid_beaker/default.nix
+++ b/pkgs/development/python-modules/pyramid-beaker/default.nix
@@ -1,11 +1,12 @@
 { lib, buildPythonPackage, fetchPypi, pytest, beaker, pyramid }:
 
 buildPythonPackage rec {
-  pname = "pyramid_beaker";
+  pname = "pyramid-beaker";
   version = "0.8";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "pyramid_beaker";
+    inherit version;
     sha256 = "0hflx3qkcdml1mwpq53sz46s7jickpfn0zy0ns2c7j445j66bp3p";
   };
 
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 32cf95500d49..718ef80d09ce 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -278,6 +278,7 @@ mapAliases ({
   pymssql = throw "pymssql has been abandoned upstream."; # added 2020-05-04
   PyMVGLive = pymvglive; # added 2023-02-19
   pyqt4 = throw "pyqt4 has been removed, because it depended on the long EOL qt4"; # added 2022-06-09
+  pyramid_beaker = pyramid-beaker; # added 2023-08-23
   pyramid_hawkauth = throw "pyramid_hawkauth has been removed because it is no longer maintained"; # added 2023-02-2
   pyramid_jinja2 = pyramid-jinja2; # added 2023-06-06
   pyreadability = readability-lxml; # added 2022-05-24
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ba8343498cf2..d166e607ddae 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10678,7 +10678,7 @@ self: super: with self; {
 
   pyrainbird = callPackage ../development/python-modules/pyrainbird { };
 
-  pyramid_beaker = callPackage ../development/python-modules/pyramid_beaker { };
+  pyramid-beaker = callPackage ../development/python-modules/pyramid-beaker { };
 
   pyramid = callPackage ../development/python-modules/pyramid { };