diff --git a/pkgs/shells/zsh/oh-my-zsh/default.nix b/pkgs/shells/zsh/oh-my-zsh/default.nix
index 36ef1843162e..11796bee94b6 100644
--- a/pkgs/shells/zsh/oh-my-zsh/default.nix
+++ b/pkgs/shells/zsh/oh-my-zsh/default.nix
@@ -1,19 +1,19 @@
 # This script was inspired by the ArchLinux User Repository package:
 #
 #   https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=oh-my-zsh-git
-{ lib, stdenv, fetchFromGitHub, nixosTests, writeScript, common-updater-scripts, git
-, nix, nixfmt, jq, coreutils, gnused, curl, cacert }:
+{ lib, stdenv, fetchFromGitHub, nixosTests, writeScript, common-updater-scripts
+, git, nix, nixfmt, jq, coreutils, gnused, curl, cacert }:
 
 stdenv.mkDerivation rec {
-  version = "2021-01-07";
+  version = "2021-01-14";
   pname = "oh-my-zsh";
-  rev = "c9bf8b4a84d4ae392cf1bdd6a4a7c7c4f7710b92";
+  rev = "a3bdff694a388c9bede63afec3c4a0a78bffa1ba";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "ohmyzsh";
     repo = "ohmyzsh";
-    sha256 = "13i4r2bhffdjcln5cml29m9gzw9m39yxcln49h3shpp7s1gl3z4a";
+    sha256 = "03zw150d11hmkdy39pazprmpsgg2jqvif2kdysg86p43ah40x8w9";
   };
 
   installPhase = ''