diff --git a/pkgs/development/coq-modules/QuickChick/default.nix b/pkgs/development/coq-modules/QuickChick/default.nix
index 35cf63af8627..fc88a1c33eed 100644
--- a/pkgs/development/coq-modules/QuickChick/default.nix
+++ b/pkgs/development/coq-modules/QuickChick/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = git://github.com/QuickChick/QuickChick.git;
+    homepage = https://github.com/QuickChick/QuickChick;
     description = "Randomized property-based testing plugin for Coq; a clone of Haskell QuickCheck";
     maintainers = with maintainers; [ jwiegley ];
     platforms = coq.meta.platforms;
diff --git a/pkgs/development/coq-modules/category-theory/default.nix b/pkgs/development/coq-modules/category-theory/default.nix
index 795c177bc80d..c707fcdbd6be 100644
--- a/pkgs/development/coq-modules/category-theory/default.nix
+++ b/pkgs/development/coq-modules/category-theory/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = git://github.com/jwiegley/category-theory.git;
+    homepage = https://github.com/jwiegley/category-theory;
     description = "A formalization of category theory in Coq for personal study and practical work";
     maintainers = with maintainers; [ jwiegley ];
     platforms = coq.meta.platforms;
diff --git a/pkgs/development/coq-modules/coq-haskell/default.nix b/pkgs/development/coq-modules/coq-haskell/default.nix
index a66e941a8c9c..9d9a4cb5f1a1 100644
--- a/pkgs/development/coq-modules/coq-haskell/default.nix
+++ b/pkgs/development/coq-modules/coq-haskell/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    homepage = git://github.com/jwiegley/coq-haskell.git;
+    homepage = https://github.com/jwiegley/coq-haskell;
     description = "A library for formalizing Haskell types and functions in Coq";
     maintainers = with maintainers; [ jwiegley ];
     platforms = coq.meta.platforms;
diff --git a/pkgs/development/python-modules/urlgrabber/default.nix b/pkgs/development/python-modules/urlgrabber/default.nix
index f399f4d426ee..528846d72381 100644
--- a/pkgs/development/python-modules/urlgrabber/default.nix
+++ b/pkgs/development/python-modules/urlgrabber/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ pycurl ];
 
   meta = with stdenv.lib; {
-    homepage = "urlgrabber.baseurl.org";
+    homepage = http://urlgrabber.baseurl.org;
     license = licenses.lgpl2Plus;
     description = "Python module for downloading files";
     maintainers = with maintainers; [ qknight ];