diff --git a/pkgs/development/interpreters/janet/default.nix b/pkgs/development/interpreters/janet/default.nix
index 219b8e2758a..197127d8b6d 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 = "1.1.0";
+  version = "1.2.0";
 
   src = fetchFromGitHub {
     owner = "janet-lang";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0ncyg594fixvvkgk0k89b40v9hy36lcr2gniks3ac6cyqy2iixx5";
+    sha256 = "1m34j4h8gh5d773hbw55gs1gimli7ccqpwddn4dd59hzhpihwgqz";
   };
 
   nativeBuildInputs = [ meson ninja ];