diff --git a/ocaml-dune.spec b/ocaml-dune.spec
index a34798a..9d4a1d5 100644
--- a/ocaml-dune.spec
+++ b/ocaml-dune.spec
@@ -11,6 +11,10 @@ License:        MIT and LGPLv2 with exceptions and ISC
 URL:            https://dune.build
 Source0:        https://github.com/ocaml/%{libname}/archive/%{version}/%{libname}-%{version}.tar.gz
 
+# Dune 1.11 fails to build on armv7, see
+# https://github.com/ocaml/dune/issues/2527
+ExcludeArch:    %{arm}
+
 BuildRequires:  ocaml >= 4.02.3
 BuildRequires:  ocaml-findlib-devel