diff --git a/nix/pkgs/jj.nix b/nix/pkgs/jj.nix
index 594f3d283b..b82454a070 100644
--- a/nix/pkgs/jj.nix
+++ b/nix/pkgs/jj.nix
@@ -1,12 +1,12 @@
 { pkgs, ... }:
 
 let
-  rev = "v0.14.0";
+  rev = "v0.15.1";
   src = (pkgs.fetchFromGitHub {
     owner = "martinvonz";
     repo = "jj";
     inherit rev;
-    hash = "sha256-xnGnervyXPfZyQTYsPu09fj+QvbEZ6rDJ4fYHBeF/RY=";
+    hash = "sha256-yppQIffjpyQ2nqhiZbV2pSMQJx8srmHjAk+UClCQfRw=";
   }) // {
     shortRev = rev;
   };
@@ -22,8 +22,8 @@ let
   rust-overlay-src = (pkgs.fetchFromGitHub {
     owner = "oxalica";
     repo = "rust-overlay";
-    rev = "b520a3889b24aaf909e287d19d406862ced9ffc9";
-    sha256 = "1s20kv0yp5hmydkz9wmm1i4sbgvk9ws8dxw76ypjsckmgjm1sahw";
+    rev = "78503e9199010a4df714f29a4f9c00eb2ccae071";
+    hash = "sha256:0xhrcahhlm8bz5gaka0rni9g20ypnmckmh0nz96xn5jb4a913j9z";
   });
   rust-overlay = (import "${rust-overlay-src}/flake.nix").outputs {
     self = rust-overlay;
@@ -37,5 +37,8 @@ let
     rust-overlay = rust-overlay;
   };
   fromFlake = (flake.overlays.default pkgs pkgs).jujutsu;
+  fromFlake' = if pkgs.system == "aarch64-linux" then fromFlake.overrideAttrs (_: {
+    doCheck = false;
+  }) else fromFlake;
 in
-fromFlake
+fromFlake'