diff --git a/doc/sources/installation/installation-linux.rst b/doc/sources/installation/installation-linux.rst
index 6ce72be55..5b5e61731 100644
--- a/doc/sources/installation/installation-linux.rst
+++ b/doc/sources/installation/installation-linux.rst
@@ -30,6 +30,7 @@ Using apt::
         build-essential \
         autoconf \
         libtool \
+        libxext-dev \
         curl \
         git \
         python3 \