diff --git a/pkgs/development/compilers/mruby/default.nix b/pkgs/development/compilers/mruby/default.nix
index f4b1c48d229d..f7c40f8a0e7b 100644
--- a/pkgs/development/compilers/mruby/default.nix
+++ b/pkgs/development/compilers/mruby/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "mruby";
-  version = "3.1.0";
+  version = "3.2.0";
 
   src = fetchFromGitHub {
     owner   = "mruby";
     repo    = "mruby";
     rev     = version;
-    sha256  = "0gnzip7qfadnl0r1k8bpc9a6796sy503h77ggds02wrz7mpq32nf";
+    sha256  = "sha256-MmrbWeg/G29YBvVrOtceTOZChrQ2kx9+apl7u7BiGjA=";
   };
 
   nativeBuildInputs = [ ruby bison rake ];
@@ -24,6 +24,14 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
+  checkPhase = ''
+    runHook preCheck
+
+    rake test
+
+    runHook postCheck
+  '';
+
   meta = with lib; {
     description = "An embeddable implementation of the Ruby language";
     homepage = "https://mruby.org";