diff --git a/README.md b/README.md
index 5acef22b9..d8c067868 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ If you use any Linux distribution other than Ubuntu, we recommend using the [lat
 ```
 cd <gdb-sources-dir>
 mkdir build && cd build
-sudo apt install libgmp-dev libmpfr-dev texinfo  # required by build
+sudo apt install libgmp-dev libmpfr-dev libreadline-dev texinfo  # required by build
 ../configure --disable-nls --disable-werror --with-system-readline --with-python=`which python3` --with-system-gdbinit=/etc/gdb/gdbinit --enable-targets=all
 make -j7
 ```