diff --git a/pkgs/by-name/ca/cargo-insta/package.nix b/pkgs/by-name/ca/cargo-insta/package.nix
index ad28546fc462..99bdeccab1b0 100644
--- a/pkgs/by-name/ca/cargo-insta/package.nix
+++ b/pkgs/by-name/ca/cargo-insta/package.nix
@@ -2,20 +2,26 @@
   lib,
   rustPlatform,
   fetchFromGitHub,
+  runtimeShell,
 }:
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "cargo-insta";
-  version = "1.45.1";
+  version = "1.46.3";
 
   src = fetchFromGitHub {
     owner = "mitsuhiko";
     repo = "insta";
     tag = finalAttrs.version;
-    hash = "sha256-uNf2KkwgRCBCVFDN5ql8MisfAoU4+z7XLWogyx8sgKw=";
+    hash = "sha256-MRGtD6ZbZkiblq9tadiJPrOGWZ2uM+8qIw2KlP/KuJc=";
   };
 
-  cargoHash = "sha256-U9rtovpekFiSv+RhPwgTiUVjAPPDzis1O0RrIOKWcQc=";
+  cargoHash = "sha256-lp7jaftj/BXorK+xxO4FS8aCpi1SSAC2/xt0CX25Dos=";
+
+  postPatch = ''
+    substituteInPlace cargo-insta/tests/functional/test_runner_fallback.rs \
+      --replace-fail '#!/bin/bash' '#!${runtimeShell}'
+  '';
 
   checkFlags = [
     # Depends on `rustfmt` and does not matter for packaging.