diff --git a/pkgs/shells/zsh/oh-my-zsh/default.nix b/pkgs/shells/zsh/oh-my-zsh/default.nix
index 35d6e706eaa..adeab519a0b 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 = "2020-11-11";
+  version = "2020-11-12";
   pname = "oh-my-zsh";
-  rev = "1beac5958ede29855ef2ac4313ada83ed37f5ea8";
+  rev = "9b119866dd0e2d5054abd992f4dfbf346ac81b0d";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "ohmyzsh";
     repo = "ohmyzsh";
-    sha256 = "01pm1g4dhdg05fd9jqp148xi4aw9fkd6kyrvmxizbvsbbz8m751h";
+    sha256 = "0m65ii79lp8mhl4adicg4qqzj93321gxpg6s91h0wbpkdgd53qxw";
   };
 
   installPhase = ''