diff --git a/pkgs/tools/misc/eva/default.nix b/pkgs/tools/misc/eva/default.nix
index f589d39f35e..038ecc7bf22 100644
--- a/pkgs/tools/misc/eva/default.nix
+++ b/pkgs/tools/misc/eva/default.nix
@@ -1,29 +1,17 @@
-{ lib, rustPlatform, fetchCrate, fetchpatch }:
+{ lib, rustPlatform, fetchFromGitHub }:
 
 rustPlatform.buildRustPackage rec {
   pname = "eva";
-  version = "0.2.7";
+  version = "0.3.0";
 
-  src = fetchCrate {
-    inherit pname version;
-    sha256 = "sha256-4rmFvu6G4h8Pl592NlldSCkqZBbnTcXrs98ljIJmTXo=";
+  src = fetchFromGitHub {
+    owner = "nerdypepper";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-INXKjjHW9HZ1NWx1CQOerTBUy0rYFLNJMuRgKQfQwdc=";
   };
 
-  cargoSha256 = "sha256-BG/W8lG/47kyA7assS6efEO+DRkpSFcZQhlSIozlonA=";
-
-  patches = [
-    # to fix the test suite (can be removed as soon as #33 is merged).
-    (fetchpatch {
-      url = "https://github.com/NerdyPepper/eva/commit/cacf51dbb9748b1dbe97b35f3c593a0a272bd4db.patch";
-      sha256 = "11q7dkz2x1888f3awnlr1nbbxzzfjrr46kd0kk6sgjdkyfh50cvv";
-    })
-
-    # to fix `cargo test -- --test-threads $NIX_BUILD_CORES`
-    (fetchpatch {
-      url = "https://github.com/NerdyPepper/eva/commit/ccfb3d327567dbaf03b2283c7e684477e2e84590.patch";
-      sha256 = "003yxqlyi8jna0rf05q2a006r2pkz6pcwwfl3dv8zb6p83kk1kgj";
-    })
-  ];
+  cargoSha256 = "sha256-4l9y2qmS7G1PvxF8/51F7fx/sDuYHWDkcyOin2sYHdk=";
 
   meta = with lib; {
     description = "A calculator REPL, similar to bc";