diff --git a/.build.yml b/.build.yml
index 2cb5845..86d4756 100644
--- a/.build.yml
+++ b/.build.yml
@@ -2,6 +2,7 @@ image: debian/sid
 packages:
   - clang
   - pkg-config
+  - patchelf
   - ronn
 tasks:
   - get-zfs: |
diff --git a/README.md b/README.md
index da638d2..9fb3dcb 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Plus it's a pretty good annoyed sigh onomatopoeia.
 
 ### Building
 
-You'll need `pkg-config` and `libzfslinux-dev`<!-- , to initialise the submodules -->, and `make` should hopefully Just Work™ if you have a C++17-capable compiler.
+You'll need `pkg-config`, `patchelf` (or to set `$PATCHELF=true`), and `libzfslinux-dev`<!-- , to initialise the submodules -->, and `make` should hopefully Just Work™ if you have a C++17-capable compiler.
 
 ### Installation