diff --git a/debian/changelog b/debian/changelog
index 072443df..945c1003 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ llvm-toolchain-7 (1:7~+rc1-1~exp4) UNRELEASED; urgency=medium
 
   * Force sphinx to be >> 1.2.3
   * also ignore libc++experimental.a on dh_strip (fails on stretch)
+  * Make libc++-7-dev & libc++abi-7-dev coinstallable
 
   [ John Paul Adrian Glaubitz ]
   * Don't build with ld.gold on powerpcspe
diff --git a/debian/control b/debian/control
index e19ec486..2269f19e 100644
--- a/debian/control
+++ b/debian/control
@@ -590,9 +590,9 @@ Section: libdevel
 Architecture: any
 Multi-Arch: same
 Depends: libc++abi1-7 (= ${binary:Version}), ${misc:Depends}
-Replaces: libc++-dev (<= 6.0.1-1), libc++-7-dev, libc++abi-dev (<= 6.0.1-1)
-Breaks: libc++-dev (<= 6.0.1-1), libc++-7-dev, libc++abi-dev (<= 6.0.1-1)
-Provides: libc++-dev, libc++-7-dev, libc++abi-dev
+Replaces: libc++-dev (<= 6.0.1-1), libc++abi-dev (<= 6.0.1-1)
+Breaks: libc++-dev (<= 6.0.1-1), libc++abi-dev (<= 6.0.1-1)
+Provides: libc++abi-dev
 Description: LLVM low level support for a standard C++ library (development files)
  libc++abi is another implementation of low level support for a standard C++
  library.