diff --git a/pkgs/development/libraries/libsodium/default.nix b/pkgs/development/libraries/libsodium/default.nix
index 3433417fb921..43f43d3cb88a 100644
--- a/pkgs/development/libraries/libsodium/default.nix
+++ b/pkgs/development/libraries/libsodium/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "libsodium-1.0.2";
+  name = "libsodium-1.0.3";
 
   src = fetchurl {
     url = "https://download.libsodium.org/libsodium/releases/${name}.tar.gz";
-    sha256 = "06dabf77cz6qg7aqv5j5r4m32b5zn253pixwb3k5lm3z0h88y7cn";
+    sha256 = "120jkda2q58p0n68banh64vsfm3hgqnacagj425d218cr4ycdkyb";
   };
 
   NIX_LDFLAGS = stdenv.lib.optionalString (stdenv.cc.cc.isGNU or false) "-lssp";