diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index aee320cea1fe..c9d8475baf85 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -805,7 +805,7 @@ in {
 
 
   alot = buildPythonPackage rec {
-    rev = "0.3.7";
+    rev = "0.5";
     name = "alot-${rev}";
 
     disabled = isPy3k;
@@ -814,7 +814,7 @@ in {
       owner = "pazz";
       repo = "alot";
       inherit rev;
-      sha256 = "0sscmmf42gsrjbisi6wm01alzlnq6wqhpwkm8pc557075jfg19il";
+      sha256 = "1hzajfh0f21k97xip9blg7zifiv3y5k33swp2h9sc57qd7qkr5i6";
     };
 
     postPatch = ''
@@ -831,6 +831,7 @@ in {
         self.python_magic
         self.configobj
         self.pygpgme
+        self.mock
       ];
 
     postInstall = ''