diff --git a/pkgs/development/python-modules/pypugjs/default.nix b/pkgs/development/python-modules/pypugjs/default.nix
index 9590b7d07b90..cf2a413a04d2 100644
--- a/pkgs/development/python-modules/pypugjs/default.nix
+++ b/pkgs/development/python-modules/pypugjs/default.nix
@@ -7,7 +7,7 @@
 , mako
 , nose
 , pyramid
-, pyramid_mako
+, pyramid-mako
 , pytestCheckHook
 , six
 , tornado
@@ -33,7 +33,7 @@ buildPythonPackage rec {
     nose
     tornado
     pyramid
-    pyramid_mako
+    pyramid-mako
     pytestCheckHook
   ];
 
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/development/python-modules/pyramid_chameleon/default.nix b/pkgs/development/python-modules/pyramid-chameleon/default.nix
similarity index 100%
rename from pkgs/development/python-modules/pyramid_chameleon/default.nix
rename to pkgs/development/python-modules/pyramid-chameleon/default.nix
diff --git a/pkgs/development/python-modules/pyramid_chameleon/test-renderers-pyramid-import.patch b/pkgs/development/python-modules/pyramid-chameleon/test-renderers-pyramid-import.patch
similarity index 100%
rename from pkgs/development/python-modules/pyramid_chameleon/test-renderers-pyramid-import.patch
rename to pkgs/development/python-modules/pyramid-chameleon/test-renderers-pyramid-import.patch
diff --git a/pkgs/development/python-modules/pyramid_exclog/default.nix b/pkgs/development/python-modules/pyramid-exclog/default.nix
similarity index 87%
rename from pkgs/development/python-modules/pyramid_exclog/default.nix
rename to pkgs/development/python-modules/pyramid-exclog/default.nix
index 61a95bae84e2..c54ff94ff167 100644
--- a/pkgs/development/python-modules/pyramid_exclog/default.nix
+++ b/pkgs/development/python-modules/pyramid-exclog/default.nix
@@ -5,11 +5,12 @@
 }:
 
 buildPythonPackage rec {
-  pname = "pyramid_exclog";
+  pname = "pyramid-exclog";
   version = "1.1";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "pyramid_exclog";
+    inherit version;
     hash = "sha256-Tl2rYH/GifNfB9w4nG9UIqAQz0O6kujCED/4iZnPKDw=";
   };
 
diff --git a/pkgs/development/python-modules/pyramid_mako/default.nix b/pkgs/development/python-modules/pyramid-mako/default.nix
similarity index 97%
rename from pkgs/development/python-modules/pyramid_mako/default.nix
rename to pkgs/development/python-modules/pyramid-mako/default.nix
index be9c76eeb882..d55eee1a37f3 100644
--- a/pkgs/development/python-modules/pyramid_mako/default.nix
+++ b/pkgs/development/python-modules/pyramid-mako/default.nix
@@ -8,7 +8,7 @@
 }:
 
 buildPythonPackage rec {
-  pname = "pyramid_mako";
+  pname = "pyramid-mako";
   version = "1.1.0";
 
   src = fetchPypi {
diff --git a/pkgs/development/python-modules/pyramid_multiauth/default.nix b/pkgs/development/python-modules/pyramid-multiauth/default.nix
similarity index 86%
rename from pkgs/development/python-modules/pyramid_multiauth/default.nix
rename to pkgs/development/python-modules/pyramid-multiauth/default.nix
index 22e32aa4d1ee..f0feafaa5961 100644
--- a/pkgs/development/python-modules/pyramid_multiauth/default.nix
+++ b/pkgs/development/python-modules/pyramid-multiauth/default.nix
@@ -5,11 +5,12 @@
 }:
 
 buildPythonPackage rec {
-  pname = "pyramid_multiauth";
+  pname = "pyramid-multiauth";
   version = "1.0.1";
 
   src = fetchPypi {
-    inherit pname version;
+    pname = "pyramid-multiauth";
+    inherit version;
     sha256 = "6d8785558e1d0bbe0d0da43e296efc0fbe0de5071d1f9b1091e891f0e4ec9682";
   };
 
diff --git a/pkgs/top-level/python-aliases.nix b/pkgs/top-level/python-aliases.nix
index 28303806e269..a791b8ccd86c 100644
--- a/pkgs/top-level/python-aliases.nix
+++ b/pkgs/top-level/python-aliases.nix
@@ -282,8 +282,13 @@ 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_chameleon = pyramid-chameleon; # added 2023-08-23
+  pyramid_exclog = pyramid-exclog; # added 2023-08-24
   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
+  pyramid_mako = pyramid-mako; # added 2023-08-24
+  pyramid_multiauth = pyramid-multiauth; # added 2023-08-24
   pyreadability = readability-lxml; # added 2022-05-24
   pyres = throw "pyres has been removed, since it is abandoned and broken"; # added 2023-06-20
   pyroute2-core = throw "pyroute2 migrated back to a single package scheme in version 0.7.1"; # added 2022-07-16
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 34fa3aeac3a2..6e845f54927d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10678,19 +10678,19 @@ 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 { };
 
-  pyramid_chameleon = callPackage ../development/python-modules/pyramid_chameleon { };
+  pyramid-chameleon = callPackage ../development/python-modules/pyramid-chameleon { };
 
-  pyramid_exclog = callPackage ../development/python-modules/pyramid_exclog { };
+  pyramid-exclog = callPackage ../development/python-modules/pyramid-exclog { };
 
   pyramid-jinja2 = callPackage ../development/python-modules/pyramid-jinja2 { };
 
-  pyramid_mako = callPackage ../development/python-modules/pyramid_mako { };
+  pyramid-mako = callPackage ../development/python-modules/pyramid-mako { };
 
-  pyramid_multiauth = callPackage ../development/python-modules/pyramid_multiauth { };
+  pyramid-multiauth = callPackage ../development/python-modules/pyramid-multiauth { };
 
   pyrate-limiter = callPackage ../development/python-modules/pyrate-limiter { };