diff --git a/pkgs/development/libraries/armadillo/default.nix b/pkgs/development/libraries/armadillo/default.nix
index 3670bfd74784..7ef4feab188d 100644
--- a/pkgs/development/libraries/armadillo/default.nix
+++ b/pkgs/development/libraries/armadillo/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, cmake, openblasCompat, superlu, hdf5 }:
 
 stdenv.mkDerivation rec {
-  version = "9.200.8";
+  version = "9.300.2";
   name = "armadillo-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/arma/armadillo-${version}.tar.xz";
-    sha256 = "09fcl6dgxg9203spplr7fwsbms3dvil5h5k3k6vfw7n7sm6ns3p2";
+    sha256 = "1d2nsbspj9vzgzb6w2vgjv2wzidjzc8sr8wkz2zl7wxpgspl299n";
   };
 
   nativeBuildInputs = [ cmake ];