diff --git a/INSTALL.md b/INSTALL.md
index a92a899..2549fb5 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -15,7 +15,7 @@ started.
 You will note in particular:
 
     sudo apt-get install -y sbcl                                  \
-                            git patch unzip                       \
+                            git curl patch unzip                  \
                             devscripts pandoc                     \
                             libsqlite3-dev