diff --git a/pkgs/development/interpreters/janet/default.nix b/pkgs/development/interpreters/janet/default.nix
index 8cce2b66cb6f..0ab90c1e0639 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 = "1.15.2";
+  version = "1.15.3";
 
   src = fetchFromGitHub {
     owner = "janet-lang";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-xIvcHMDBPdmNSp0/aaVDXxCmCpQOtSFG99lyHAWmbY0=";
+    sha256 = "sha256-GWSPNz4IxEYxSRpDPbgCXmc7WYZNi8IGVqNhSEgUaeg=";
   };
 
   nativeBuildInputs = [ meson ninja ];