diff --git a/pkgs/shells/zsh/oh-my-zsh/default.nix b/pkgs/shells/zsh/oh-my-zsh/default.nix
index 2d13bf8e9255..429d1c55c8b2 100644
--- a/pkgs/shells/zsh/oh-my-zsh/default.nix
+++ b/pkgs/shells/zsh/oh-my-zsh/default.nix
@@ -5,15 +5,15 @@
 , nix, nixfmt, jq, coreutils, gnused, curl, cacert }:
 
 stdenv.mkDerivation rec {
-  version = "2021-01-05";
+  version = "2021-01-07";
   pname = "oh-my-zsh";
-  rev = "86f805280f6a8cf65d8d0a9380489aae4b72f767";
+  rev = "c9bf8b4a84d4ae392cf1bdd6a4a7c7c4f7710b92";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "ohmyzsh";
     repo = "ohmyzsh";
-    sha256 = "1wf4g1z7fvravsp020xdqvczf4kcw1nh3b22djlsgd97n8qgziaz";
+    sha256 = "13i4r2bhffdjcln5cml29m9gzw9m39yxcln49h3shpp7s1gl3z4a";
   };
 
   installPhase = ''