diff --git a/pkgs/applications/editors/gnome-builder/default.nix b/pkgs/applications/editors/gnome-builder/default.nix
index a66b3ba6322..d57e7e856a3 100644
--- a/pkgs/applications/editors/gnome-builder/default.nix
+++ b/pkgs/applications/editors/gnome-builder/default.nix
@@ -7,6 +7,7 @@
 , flatpak
 , glibcLocales
 , gnome3
+, libgit2-glib
 , gobject-introspection
 , gspell
 , gtk-doc
@@ -61,7 +62,7 @@ in stdenv.mkDerivation {
     ctags
     flatpak
     gnome3.devhelp
-    gnome3.libgit2-glib
+    libgit2-glib
     gnome3.libpeas
     gnome3.vte
     gspell
diff --git a/pkgs/applications/version-management/git-and-tools/grv/default.nix b/pkgs/applications/version-management/git-and-tools/grv/default.nix
index dd080799557..afd187ebb55 100644
--- a/pkgs/applications/version-management/git-and-tools/grv/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/grv/default.nix
@@ -1,11 +1,11 @@
-{ stdenv, buildGo19Package, fetchFromGitHub, curl, libgit2_0_27, ncurses, pkgconfig, readline }:
+{ stdenv, buildGo19Package, fetchFromGitHub, curl, libgit2, ncurses, pkgconfig, readline }:
 let
   version = "0.3.0";
 in
 buildGo19Package {
   name = "grv-${version}";
 
-  buildInputs = [ ncurses readline curl libgit2_0_27 ];
+  buildInputs = [ ncurses readline curl libgit2 ];
   nativeBuildInputs = [ pkgconfig ];
 
   goPackagePath = "github.com/rgburke/grv";
diff --git a/pkgs/desktops/gnome-3/default.nix b/pkgs/desktops/gnome-3/default.nix
index 626f4652ece..536e0f52a2d 100644
--- a/pkgs/desktops/gnome-3/default.nix
+++ b/pkgs/desktops/gnome-3/default.nix
@@ -38,7 +38,7 @@ lib.makeScope pkgs.newScope (self: with self; {
   inherit (pkgs) atk glib gobject-introspection gspell webkitgtk gtk3 gtkmm3
     libgtop libgudev libhttpseverywhere librsvg libsecret gdk_pixbuf gtksourceview gtksourceview4
     easytag meld orca rhythmbox shotwell gnome-usage
-    clutter clutter-gst clutter-gtk cogl gtk-vnc libdazzle libgda;
+    clutter clutter-gst clutter-gtk cogl gtk-vnc libdazzle libgda libgit2-glib;
 
   libsoup = pkgs.libsoup.override { gnomeSupport = true; };
   libchamplain = pkgs.libchamplain.override { libsoup = libsoup; };
@@ -371,8 +371,6 @@ lib.makeScope pkgs.newScope (self: with self; {
 
   libgnome-games-support = callPackage ./misc/libgnome-games-support { };
 
-  libgit2-glib = callPackage ./misc/libgit2-glib { };
-
   libmediaart = callPackage ./misc/libmediaart { };
 
   gexiv2 = callPackage ./misc/gexiv2 { };
diff --git a/pkgs/desktops/gnome-3/misc/gitg/default.nix b/pkgs/desktops/gnome-3/misc/gitg/default.nix
index b424a8a7969..a447d2aa590 100644
--- a/pkgs/desktops/gnome-3/misc/gitg/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gitg/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, vala, intltool, pkgconfig, gtk3, glib
+{ stdenv, fetchurl, fetchpatch, vala, intltool, pkgconfig, gtk3, glib
 , json-glib, wrapGAppsHook, libpeas, bash, gobject-introspection
 , gnome3, gtkspell3, shared-mime-info, libgee, libgit2-glib, libsecret
 , meson, ninja, python3
@@ -15,6 +15,13 @@ in stdenv.mkDerivation rec {
     sha256 = "1fz8q1aiql6k740savdjh0vzbyhcflgf94cfdhvzcrrvm929n2ss";
   };
 
+  patches = [
+    (fetchpatch {
+      url = https://gitlab.gnome.org/GNOME/gitg/commit/42bceea265f53fe7fd4a41037b936deed975fc6c.patch;
+      sha256 = "1xq245rsi1bi66lswk33pdiazfaagxf77836ds5q73900rx4r7fw";
+    })
+  ];
+
   postPatch = ''
     chmod +x meson_post_install.py
     patchShebangs meson_post_install.py
diff --git a/pkgs/development/libraries/git2/0.27.nix b/pkgs/development/libraries/git2/0.27.nix
deleted file mode 100644
index 93948a1b0d6..00000000000
--- a/pkgs/development/libraries/git2/0.27.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ stdenv, fetchFromGitHub, cmake, pkgconfig, python
-, zlib, libssh2, openssl, http-parser, curl
-, libiconv, Security
-}:
-
-stdenv.mkDerivation rec {
-  version = "0.27.7";
-  name = "libgit2-${version}";
-
-  src = fetchFromGitHub {
-    owner = "libgit2";
-    repo = "libgit2";
-    rev = "v${version}";
-    sha256 = "1q3mp7xjpbmdsnk4sdzf2askbb4pgbxcmr1h7y7zk2738dndwkha";
-  };
-
-  cmakeFlags = [ "-DTHREADSAFE=ON" ];
-
-  nativeBuildInputs = [ cmake python pkgconfig ];
-
-  buildInputs = [ zlib libssh2 openssl http-parser curl ]
-    ++ stdenv.lib.optional stdenv.isDarwin Security;
-
-  propagatedBuildInputs = stdenv.lib.optional (!stdenv.isLinux) libiconv;
-
-  enableParallelBuilding = true;
-
-  doCheck = false; # hangs. or very expensive?
-
-  meta = {
-    description = "The Git linkable library";
-    homepage = https://libgit2.github.com/;
-    license = stdenv.lib.licenses.gpl2;
-    platforms = with stdenv.lib.platforms; all;
-  };
-}
diff --git a/pkgs/development/libraries/git2/default.nix b/pkgs/development/libraries/git2/default.nix
index 48d595137b3..ec610d1e565 100644
--- a/pkgs/development/libraries/git2/default.nix
+++ b/pkgs/development/libraries/git2/default.nix
@@ -1,18 +1,18 @@
-{ stdenv, fetchFromGitHub, pkgconfig, cmake
-, zlib, python, libssh2, openssl, curl, http-parser
+{ stdenv, fetchFromGitHub, cmake, pkgconfig, python
+, zlib, libssh2, openssl, http-parser, curl
 , libiconv, Security
 }:
 
-stdenv.mkDerivation (rec {
-  name = "libgit2-${version}";
-  version = "0.26.6";
-  # keep the version in sync with pythonPackages.pygit2 and gnome3.libgit2-glib
+stdenv.mkDerivation rec {
+  pname = "libgit2";
+  version = "0.27.7";
+  # keep the version in sync with pythonPackages.pygit2 and libgit2-glib
 
   src = fetchFromGitHub {
     owner = "libgit2";
     repo = "libgit2";
     rev = "v${version}";
-    sha256 = "17pjvprmdrx4h6bb1hhc98w9qi6ki7yl57f090n9kbhswxqfs7s3";
+    sha256 = "1q3mp7xjpbmdsnk4sdzf2askbb4pgbxcmr1h7y7zk2738dndwkha";
   };
 
   cmakeFlags = [ "-DTHREADSAFE=ON" ];
@@ -22,7 +22,7 @@ stdenv.mkDerivation (rec {
   buildInputs = [ zlib libssh2 openssl http-parser curl ]
     ++ stdenv.lib.optional stdenv.isDarwin Security;
 
-  propagatedBuildInputs = stdenv.lib.optional (!stdenv.isLinux) [ libiconv ];
+  propagatedBuildInputs = stdenv.lib.optional (!stdenv.isLinux) libiconv;
 
   enableParallelBuilding = true;
 
@@ -34,5 +34,4 @@ stdenv.mkDerivation (rec {
     license = licenses.gpl2;
     platforms = with platforms; all;
   };
-} // stdenv.lib.optionalAttrs (!stdenv.isLinux) {
-})
+}
diff --git a/pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix b/pkgs/development/libraries/libgit2-glib/default.nix
similarity index 72%
rename from pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix
rename to pkgs/development/libraries/libgit2-glib/default.nix
index 8d078ea41e7..498858d52e9 100644
--- a/pkgs/desktops/gnome-3/misc/libgit2-glib/default.nix
+++ b/pkgs/development/libraries/libgit2-glib/default.nix
@@ -2,12 +2,12 @@
 , gtk-doc, gobject-introspection, libgit2, glib, python3 }:
 
 stdenv.mkDerivation rec {
-  name = "libgit2-glib-${version}";
-  version = "0.26.4";
+  pname = "libgit2-glib";
+  version = "0.27.7";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/libgit2-glib/${stdenv.lib.versions.majorMinor version}/${name}.tar.xz";
-    sha256 = "0nhyqas110q7ingw97bvyjdb7v4dzch517dq8sn8c33s8910wqcp";
+    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "1hpgs8dx0dk25mc8jsizi2cwwhnmahrn3dyry9p7a1g48mnxyc8i";
   };
 
   postPatch = ''
@@ -18,7 +18,10 @@ stdenv.mkDerivation rec {
   '';
 
   passthru = {
-    updateScript = gnome3.updateScript { packageName = "libgit2-glib"; attrPath = "gnome3.libgit2-glib"; };
+    updateScript = gnome3.updateScript {
+      packageName = pname;
+      versionPolicy = "none";
+    };
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/pygit2/default.nix b/pkgs/development/python-modules/pygit2/default.nix
index 2334e4a3431..313a3e5ab18 100644
--- a/pkgs/development/python-modules/pygit2/default.nix
+++ b/pkgs/development/python-modules/pygit2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, buildPythonPackage, fetchPypi, fetchpatch, isPyPy, libgit2_0_27, six, cffi }:
+{ stdenv, lib, buildPythonPackage, fetchPypi, fetchpatch, isPyPy, libgit2, six, cffi }:
 
 buildPythonPackage rec {
   pname = "pygit2";
@@ -10,7 +10,7 @@ buildPythonPackage rec {
   };
 
   preConfigure = lib.optionalString stdenv.isDarwin ''
-    export DYLD_LIBRARY_PATH="${libgit2_0_27}/lib"
+    export DYLD_LIBRARY_PATH="${libgit2}/lib"
   '';
 
   patches = [ (fetchpatch {
@@ -19,7 +19,7 @@ buildPythonPackage rec {
     sha256 = "18x1fpmywhjjr4lvakwmy34zpxfqi8pqqj48g1wcib39lh3s7l4f";
   }) ];
 
-  propagatedBuildInputs = [ libgit2_0_27 six ] ++ lib.optional (!isPyPy) cffi;
+  propagatedBuildInputs = [ libgit2 six ] ++ lib.optional (!isPyPy) cffi;
 
   preCheck = ''
     # disable tests that require networking
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ad64b26bffd..91a5bbd27eb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -993,9 +993,7 @@ in
 
   blockdiag = with python3Packages; toPythonApplication blockdiag;
 
-  blsd = callPackage ../tools/misc/blsd {
-    libgit2 = libgit2_0_27;
-  };
+  blsd = callPackage ../tools/misc/blsd { };
 
   bluez-alsa = callPackage ../tools/bluetooth/bluez-alsa { };
 
@@ -9887,9 +9885,7 @@ in
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
-  libgit2_0_27 = callPackage ../development/libraries/git2/0.27.nix {
-    inherit (darwin.apple_sdk.frameworks) Security;
-  };
+  libgit2-glib = callPackage ../development/libraries/libgit2-glib { };
 
   glbinding = callPackage ../development/libraries/glbinding { };