diff --git a/nix/pkgs/jj.nix b/nix/pkgs/jj.nix
index cb23aeaca8..5859cc4898 100644
--- a/nix/pkgs/jj.nix
+++ b/nix/pkgs/jj.nix
@@ -1,12 +1,12 @@
 { pkgs, ... }:
 
 let
-  rev = "v0.22.0";
+  rev = "v0.23.0";
   src = (pkgs.fetchFromGitHub {
     owner = "martinvonz";
     repo = "jj";
     inherit rev;
-    hash = "sha256-GbKmX1Ev/8di3A1XT5ZIRjzn2zP6DMye2NpA26PGVIs=";
+    hash = "sha256-NCeD+WA3uVl4l/KKFDtdG8+vpm10Y3rEAf8kY6SP0yo=";
   }) // {
     shortRev = rev;
   };
@@ -22,8 +22,8 @@ let
   rust-overlay-src = (pkgs.fetchFromGitHub {
     owner = "oxalica";
     repo = "rust-overlay";
-    rev = "b259ef799b5ac014604da71ecd92d4a52603ed2d";
-    hash = "sha256-H7KGGJUU9BcDNnfXiATBGgs6FJKWQdfftNJS+/v2aMU=";
+    rev = "ed8aa5b64f7d36d9338eb1d0a3bb60cf52069a72";
+    hash = "sha256-RHt12f/slrzDpSL7SSkydh8wUE4Nr4r23HlpWywed9E=";
   });
   rust-overlay = (import "${rust-overlay-src}/flake.nix").outputs {
     self = rust-overlay;