diff --git a/preserves-nim/default.nix b/preserves-nim/default.nix
index f0625aa..784e585 100644
--- a/preserves-nim/default.nix
+++ b/preserves-nim/default.nix
@@ -10,19 +10,19 @@ let
   npeg = fetchFromGitHub {
     owner = "zevv";
     repo = "npeg";
-    rev = "0.25.0";
-    hash = "sha256-E/0hCz0XsoAb/bAksqrKTyi8/FwBdP8kT6uUUAdru68=";
+    rev = "0.26.0";
+    hash = "sha256-TONFgg0upLJuhsP9y+z+kYZp+m8/h36NK/VOK2h0Aw0=";
   };
 
 in buildNimPackage rec {
   pname = "preserves";
-  version = "20220625";
+  version = "20221020";
   src = fetchFromGitea {
     domain = "git.syndicate-lang.org";
     owner = "ehmry";
     repo = "${pname}-nim";
     rev = version;
-    sha256 = "sha256-ZNgBlIOKyWD0R5wZvGb/0K5tUpz5q5QpET4Qa/kxhkA=";
+    sha256 = "sha256-yUyt4hAKvEKTFV9KF8994k7RrirQQJ2Jv7ngjbnfXgw=";
   };
 
   propagatedBuildInputs = [ compiler npeg ];