diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b75a5f403..5e15eed97 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -48,8 +48,9 @@ why we ask this as well as instructions for how to proceed, see the
   sudo apt-get update
 
   sudo apt-get install -y postgresql-server-dev-11 postgresql-11 \
-                          libedit-dev libselinux1-dev libxslt-dev  \
+                          libreadline-dev libselinux1-dev libxslt-dev  \
                           libpam0g-dev git flex make libssl-dev    \
+                          libicu-dev \
                           libkrb5-dev libcurl4-gnutls-dev autoconf
   ```