diff --git a/pkgs/development/libraries/gstreamer/devtools/default.nix b/pkgs/development/libraries/gstreamer/devtools/default.nix
index 0b7be2bd03ec..aa92410e0e48 100644
--- a/pkgs/development/libraries/gstreamer/devtools/default.nix
+++ b/pkgs/development/libraries/gstreamer/devtools/default.nix
@@ -1,5 +1,6 @@
 { lib, stdenv
 , fetchurl
+, cairo
 , meson
 , ninja
 , pkg-config
@@ -12,17 +13,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gst-devtools";
-  version = "1.18.5";
+  version = "1.20.0";
 
   src = fetchurl {
     url = "https://gstreamer.freedesktop.org/src/${pname}/${pname}-${version}.tar.xz";
-    sha256 = "sha256-/s/8hkR9r1wqBoQ8dXqZHXRcqiBpRGoNdG6ZsT98sHk=";
+    sha256 = "sha256-afyHVuydk+XFJYyZCIQ08gPpH9vFryjR8sWD/YGbeh0=";
   };
 
-  patches = [
-    ./fix_pkgconfig_includedir.patch
-  ];
-
   outputs = [
     "out"
     "dev"
@@ -40,6 +37,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
+    cairo
     python3
     json-glib
   ];
diff --git a/pkgs/development/libraries/gstreamer/devtools/fix_pkgconfig_includedir.patch b/pkgs/development/libraries/gstreamer/devtools/fix_pkgconfig_includedir.patch
deleted file mode 100644
index ff19c7cbf6f8..000000000000
--- a/pkgs/development/libraries/gstreamer/devtools/fix_pkgconfig_includedir.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff --git a/validate/pkgconfig/meson.build b/validate/pkgconfig/meson.build
-index a612b21b..c017eaff 100644
---- a/validate/pkgconfig/meson.build
-+++ b/validate/pkgconfig/meson.build
-@@ -2,8 +2,8 @@ pkgconf = configuration_data()
-
- pkgconf.set('prefix', get_option('prefix'))
- pkgconf.set('exec_prefix', '${prefix}')
--pkgconf.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))
--pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))
-+pkgconf.set('libdir', join_paths(get_option('prefix'), get_option('libdir')))
-+pkgconf.set('includedir', join_paths(get_option('prefix'), get_option('includedir')))
- pkgconf.set('GST_API_VERSION', apiversion)
- pkgconf.set('VERSION', gst_version)
-