diff --git a/pkgs/development/python-modules/ruamel_base/default.nix b/pkgs/development/python-modules/ruamel_base/default.nix
index 0395c6246e11..f7e473f9f561 100644
--- a/pkgs/development/python-modules/ruamel_base/default.nix
+++ b/pkgs/development/python-modules/ruamel_base/default.nix
@@ -14,7 +14,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "Common routines for ruamel packages";
-    homepage = https://sourceforge.net/projects/ruamel-base/;
+    homepage = "https://sourceforge.net/projects/ruamel-base/";
     license = licenses.mit;
   };
 
diff --git a/pkgs/development/python-modules/ruamel_ordereddict/default.nix b/pkgs/development/python-modules/ruamel_ordereddict/default.nix
index ee329a651661..da4e891b2b38 100644
--- a/pkgs/development/python-modules/ruamel_ordereddict/default.nix
+++ b/pkgs/development/python-modules/ruamel_ordereddict/default.nix
@@ -17,7 +17,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "A version of dict that keeps keys in insertion resp. sorted order";
-    homepage = https://bitbucket.org/ruamel/ordereddict;
+    homepage = "https://sourceforge.net/projects/ruamel-ordereddict/";
     license = licenses.mit;
   };
 
diff --git a/pkgs/development/python-modules/ruamel_yaml/default.nix b/pkgs/development/python-modules/ruamel_yaml/default.nix
index cba566e1d661..bdfde326d76f 100644
--- a/pkgs/development/python-modules/ruamel_yaml/default.nix
+++ b/pkgs/development/python-modules/ruamel_yaml/default.nix
@@ -33,7 +33,7 @@ buildPythonPackage rec {
 
   meta = with lib; {
     description = "YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order";
-    homepage = https://sourceforge.net/projects/ruamel-yaml/;
+    homepage = "https://sourceforge.net/projects/ruamel-yaml/";
     license = licenses.mit;
   };
 
diff --git a/pkgs/development/python-modules/ruamel_yaml_clib/default.nix b/pkgs/development/python-modules/ruamel_yaml_clib/default.nix
index f86f5102b195..46b55c04d30e 100644
--- a/pkgs/development/python-modules/ruamel_yaml_clib/default.nix
+++ b/pkgs/development/python-modules/ruamel_yaml_clib/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
 
   meta = with stdenv.lib; {
     description = "YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order";
-    homepage = https://sourceforge.net/projects/ruamel-yaml-clib/;
+    homepage = "https://sourceforge.net/projects/ruamel-yaml-clib/";
     license = licenses.mit;
   };