diff --git a/ci/travis/before_install.sh b/ci/travis/before_install.sh
index 0d9dc7707a71dc9aded599133f35b2f1621355cb..0efb8753122247e0d914d620387404d4bcd59b63 100755
--- a/ci/travis/before_install.sh
+++ b/ci/travis/before_install.sh
@@ -32,7 +32,7 @@ then
     chmod +x qt-opensource-linux-x64-5.8.0.run
     ./qt-opensource-linux-x64-5.8.0.run --script $HOME/build/duniter/sakia/ci/travis/qt-installer-noninteractive.qs
 
-    wget http://archive.ubuntu.com/ubuntu/pool/universe/libs/libsodium/libsodium13_1.0.1-1_amd64.deb
+    wget http://archive.ubuntu.com/ubuntu/pool/universe/libs/libsodium/libsodium18_1.0.11-2_amd64.deb
     sudo dpkg -i libsodium13_1.0.1-1_amd64.deb
     rm -r ~/.pyenv
     git clone https://github.com/yyuu/pyenv.git ~/.pyenv