diff --git a/ghc-bootstrap.changes b/ghc-bootstrap.changes
index 673d0ad..7b0177a 100644
--- a/ghc-bootstrap.changes
+++ b/ghc-bootstrap.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon Oct 29 16:39:18 UTC 2018 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Add this-is-only-for-build-envs Requires: this package is only
+  intended to bootstrap ghc in the build system, and not for usage
+  on end-user systems. Using the same safeguard as with other
+  bootstrap packages.
+
 -------------------------------------------------------------------
 Mon Oct  8 08:33:08 UTC 2018 - ptrommler@icloud.com
 
diff --git a/ghc-bootstrap.spec b/ghc-bootstrap.spec
index de95b08..ea7cd9c 100644
--- a/ghc-bootstrap.spec
+++ b/ghc-bootstrap.spec
@@ -85,6 +85,8 @@ BuildRequires:  libffi-devel
 %endif
 Requires:       gmp-devel
 Requires:       libncurses5
+# This package is not meant to be used outside OBS
+Requires:       this-is-only-for-build-envs
 
 ExclusiveArch:  %{ix86} ppc64 ppc64le x86_64 s390x aarch64 %{arm}
 Provides:       ghc-bootstrap-devel