diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 93dab5b754d7..6505a53d0f64 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10081,13 +10081,22 @@ in modules // {
   };
 
   jedi = buildPythonPackage (rec {
-    name = "jedi-0.8.1";
+    name = "jedi-0.9.0";
 
     src = pkgs.fetchurl {
       url = "http://pypi.python.org/packages/source/j/jedi/${name}.tar.gz";
-      sha256 = "1a7bg159mc1la5p1zsblzpr9hmypa7nz0mpvf7dww57cgi2sw8sd";
+      sha256 = "0c8x962ynpx001fdvp07m2q5jk4igkxbj3rmnydavphvlgxijk1v";
     };
 
+    buildInputs = [ self.pytest ];
+
+    checkPhase = ''
+      py.test test
+    '';
+
+    # 7 failed
+    doCheck = false;
+
     meta = {
       homepage = https://github.com/davidhalter/jedi;
       description = "An autocompletion tool for Python that can be used for text editors";