diff --git a/nix/sources.json b/nix/sources.json
index 23640b2..2bc5090 100644
--- a/nix/sources.json
+++ b/nix/sources.json
@@ -22,5 +22,17 @@
         "type": "tarball",
         "url": "https://github.com/NixOS/nixpkgs-channels/archive/e1843646b04fb564abf6330a9432a76df3269d2f.tar.gz",
         "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    },
+    "powerline-hs": {
+        "branch": "master",
+        "description": "A lightning fast reimplementation of the Powerline prompt generator in Haskell.",
+        "homepage": "",
+        "owner": "rdnetto",
+        "repo": "powerline-hs",
+        "rev": "91edd4518b619c8ef90b36332fe08ebf9be050a7",
+        "sha256": "0mxdafhk75k2ayb6kc73jgqnsvqnbrd39mky8gvdsw33psap6c6l",
+        "type": "tarball",
+        "url": "https://github.com/rdnetto/powerline-hs/archive/91edd4518b619c8ef90b36332fe08ebf9be050a7.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
     }
 }