diff --git a/core.opam b/core.opam
index 102490cd..3f622492 100644
--- a/core.opam
+++ b/core.opam
@@ -26,3 +26,4 @@ The Core suite of libraries is an industrial strength alternative to
 OCaml's standard library that was developed by Jane Street, the
 largest industrial user of OCaml.
 "
+depexts: ["linux-headers"] {os-distribution = "alpine"}