diff --git a/README.md b/README.md
index d28ba8dc..aa02be8b 100644
--- a/README.md
+++ b/README.md
@@ -237,7 +237,7 @@ sudo yum install gettext gcc autoconf libtool automake make asciidoc xmlto udns-
 sudo pacman -S gettext gcc autoconf libtool automake make asciidoc xmlto udns libev
 
 # Installation of Libsodium
-export LIBSODIUM_VER=1.0.12
+export LIBSODIUM_VER=1.0.13
 wget https://download.libsodium.org/libsodium/releases/libsodium-$LIBSODIUM_VER.tar.gz
 tar xvf libsodium-$LIBSODIUM_VER.tar.gz
 pushd libsodium-$LIBSODIUM_VER