diff --git a/pkgs/development/libraries/armadillo/default.nix b/pkgs/development/libraries/armadillo/default.nix
index 7685a0d9eb4..b789d89c66b 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 = "9.200.4";
+  version = "9.200.6";
   name = "armadillo-${version}";
 
   src = fetchurl {
     url = "mirror://sourceforge/arma/armadillo-${version}.tar.xz";
-    sha256 = "0rkry405vacvlvkc7xdkzh20zf7yni9hsp65v0dby91na0wcrl8h";
+    sha256 = "1gm8dysb29f3p96bzjgdb5r70dc6y5jq1avg18sdixz0hgnxqq14";
   };
 
   nativeBuildInputs = [ cmake ];