diff --git a/INSTALL.md b/INSTALL.md
index 42c9a714..c462e41c 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,5 +1,6 @@
 # libp11 Installation
-The following instructions only apply to the [release tarballs.](https://github.com/OpenSC/libp11/releases)
+The following instructions apply to the [release tarballs](https://github.com/OpenSC/libp11/releases)
+and builds from the Git repository.
 
 ## Unix Build
 
@@ -8,6 +9,12 @@ On Debian/Ubuntu use:
 
   sudo apt install pkgconf libssl-dev
 
+When building from the Git repository, install the Autotools packages and run `./bootstrap` first:
+
+  sudo apt install autoconf automake libtool
+
+  ./bootstrap
+
 Configure and build libp11:
 
   ./configure && make