1 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/development/interpreters/janet/default.nix b/pkgs/development/interpreters/janet/default.nix
index 545f7de95b1..bb711129ff9 100644
--- a/pkgs/development/interpreters/janet/default.nix
+++ b/pkgs/development/interpreters/janet/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "janet";
-  version = "1.29.1";
+  version = "1.30.0";
 
   src = fetchFromGitHub {
     owner = "janet-lang";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-waBOPrcZ1mNsvb2PrivYUmbUKv1mxD/rMFOCZXslyKA=";
+    hash = "sha256-tkXEi8m7eroie/yP1kW0V6Ld5SCLA0/KmtHHI0fIsRI=";
   };
 
   postPatch = ''
@@ -18,6 +18,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ meson ninja ];
 
+  mesonBuildType = "release";
   mesonFlags = [ "-Dgit_hash=release" ];
 
   doCheck = true;