diff --git a/pkgs/by-name/ar/armadillo/package.nix b/pkgs/by-name/ar/armadillo/package.nix
index 559a00a907ac..f81a7db70d85 100644
--- a/pkgs/by-name/ar/armadillo/package.nix
+++ b/pkgs/by-name/ar/armadillo/package.nix
@@ -11,11 +11,11 @@
 
 stdenv.mkDerivation rec {
   pname = "armadillo";
-  version = "15.0.2";
+  version = "15.0.3";
 
   src = fetchurl {
     url = "mirror://sourceforge/arma/armadillo-${version}.tar.xz";
-    hash = "sha256-mQq0zLfv8bbXBAnpqn+kEZh3rF9dELohnphGCrPk1us=";
+    hash = "sha256-n1XsEPCpH7ZHmrTtKzelJEWu6RdwaiONFwtSIMAi/kM=";
   };
 
   nativeBuildInputs = [ cmake ];