diff --git a/pkgs/development/python-modules/cairocffi/default.nix b/pkgs/development/python-modules/cairocffi/default.nix
index cc4e19d6beb7..87c56b40e9e3 100644
--- a/pkgs/development/python-modules/cairocffi/default.nix
+++ b/pkgs/development/python-modules/cairocffi/default.nix
@@ -7,6 +7,7 @@
 , substituteAll
 , makeFontsConf
 , freefont_ttf
+, pikepdf
 , pytest
 , glibcLocales
 , cairo
@@ -21,42 +22,15 @@
 
 buildPythonPackage rec {
   pname = "cairocffi";
-  version = "1.3.0";
+  version = "1.4.0";
 
   disabled = pythonOlder "3.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-EIo6fLCeIDvdhQHZuq2R14bSBFYb1x6TZOizSJfEe5E=";
+    sha256 = "sha256-UJM5syzNjXsAwiBMMnNs3njbU6MuahYtMSR40lYmzZo=";
   };
 
-  LC_ALL = "en_US.UTF-8";
-
-  # checkPhase require at least one 'normal' font and one 'monospace',
-  # otherwise glyph tests fails
-  FONTCONFIG_FILE = makeFontsConf {
-    fontDirectories = [ freefont_ttf ];
-  };
-
-  propagatedBuildInputs = [ cairo cffi ] ++ lib.optional withXcffib xcffib;
-  propagatedNativeBuildInputs = [ cffi ];
-
-  # pytestCheckHook does not work
-  checkInputs = [ numpy pytest glibcLocales ];
-
-  postPatch = ''
-    substituteInPlace setup.cfg \
-      --replace "pytest-runner" "" \
-      --replace "pytest-cov" "" \
-      --replace "pytest-flake8" "" \
-      --replace "pytest-isort" "" \
-      --replace "--flake8 --isort" ""
-  '';
-
-  checkPhase = ''
-    py.test $out/${python.sitePackages}
-  '';
-
   patches = [
     # OSError: dlopen() failed to load a library: gdk-pixbuf-2.0 / gdk-pixbuf-2.0-0
     (substituteAll {
@@ -69,6 +43,35 @@ buildPythonPackage rec {
     ./fix_test_scaled_font.patch
   ];
 
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "pytest-runner" "" \
+      --replace "pytest-cov" "" \
+      --replace "pytest-flake8" "" \
+      --replace "pytest-isort" "" \
+      --replace "--flake8 --isort" ""
+  '';
+
+  LC_ALL = "en_US.UTF-8";
+
+  # checkPhase require at least one 'normal' font and one 'monospace',
+  # otherwise glyph tests fails
+  FONTCONFIG_FILE = makeFontsConf {
+    fontDirectories = [ freefont_ttf ];
+  };
+
+  propagatedNativeBuildInputs = [ cffi ];
+
+  propagatedBuildInputs = [ cairo cffi ]
+    ++ lib.optional withXcffib xcffib;
+
+  # pytestCheckHook does not work
+  checkInputs = [ numpy pikepdf pytest glibcLocales ];
+
+  checkPhase = ''
+    py.test $out/${python.sitePackages}
+  '';
+
   meta = with lib; {
     homepage = "https://github.com/SimonSapin/cairocffi";
     license = licenses.bsd3;