diff --git a/debian/changelog b/debian/changelog
index 6c8325aa..b30b5613 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+llvm-toolchain-13 (1:13.0.0-5) unstable; urgency=medium
+
+  *  Restrict the dependency on libunwind-13-dev from Package: libc++-13-dev
+     on amd64 arm64 armhf i386 mips64el ppc64el ppc64 riscv64
+     (Closes: #996462)
+
+ -- Sylvestre Ledru <sylvestre@debian.org>  Thu, 14 Oct 2021 12:33:15 +0200
+
 llvm-toolchain-13 (1:13.0.0-4) unstable; urgency=medium
 
   * Instead of using llvm-* to install binaries in llvm-X.Y
diff --git a/debian/control b/debian/control
index 72659c6a..735c45eb 100644
--- a/debian/control
+++ b/debian/control
@@ -625,7 +625,7 @@ Section: libdevel
 Architecture: any
 Multi-Arch: same
 Depends: libc++1-13 (= ${binary:Version}), ${misc:Depends},
- libunwind-13-dev
+ libunwind-13-dev [amd64 arm64 armhf i386 mips64el ppc64el ppc64 riscv64]
 Breaks: libc++-dev (<< 44)
 Provides: libc++-x.y-dev
 Conflicts: libc++-x.y-dev