diff --git a/pkgs/shells/zsh/oh-my-zsh/default.nix b/pkgs/shells/zsh/oh-my-zsh/default.nix
index 97deab47cfbb12..cc4c7903360f82 100644
--- a/pkgs/shells/zsh/oh-my-zsh/default.nix
+++ b/pkgs/shells/zsh/oh-my-zsh/default.nix
@@ -4,15 +4,15 @@
 { stdenv, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
-  version = "2020-09-14";
+  version = "2020-09-20";
   pname = "oh-my-zsh";
-  rev = "2bc1da7f377e78cdfa74190ffe5baf6c814d0fce";
+  rev = "93c837fec8e9fe61509b9dff9e909e84f7ebe32d";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "ohmyzsh";
     repo = "ohmyzsh";
-    sha256 = "1xr5nmd3q8yapc0yzx7cv9qh8gvgvn2rf2z3fhwxrap3z77jp5fv";
+    sha256 = "1ww50c1xf64z1m0sy30xaf2adr87cqr5yyv9jrqr227j97vrwj04";
   };
 
   installPhase = ''