diff --git a/baselibs.conf b/baselibs.conf
index 9aea6e2..dae5526 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -2,3 +2,4 @@ libcrypt1
 libxcrypt-devel
   requires -libxcrypt-<targettype>
   requires "libcrypt1-<targettype> = <version>"
+  conflicts "glibc-devel-<targettype> < 2.28"
diff --git a/libxcrypt.changes b/libxcrypt.changes
index 629f9e1..a9e057e 100644
--- a/libxcrypt.changes
+++ b/libxcrypt.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug  8 11:44:16 UTC 2018 - schwab@suse.de
+
+- Add conflicts with glibc-devel < 2.28
+
 -------------------------------------------------------------------
 Mon Aug  6 16:34:12 UTC 2018 - jengelh@inai.de
 
diff --git a/libxcrypt.spec b/libxcrypt.spec
index 3dba70a..7f79cc0 100644
--- a/libxcrypt.spec
+++ b/libxcrypt.spec
@@ -58,6 +58,7 @@ Group:          Development/Languages/C and C++
 Requires:       libcrypt1 = %{version}
 Requires:       pkgconfig
 Provides:       glibc-devel:%{_libdir}/libcrypt.so
+Conflicts:      glibc-devel < 2.28
 
 %description devel
 The %{name}-devel package contains libraries and header files for
@@ -70,6 +71,7 @@ Group:          Development/Libraries/C and C++
 Requires:       %{name}-devel = %{version}
 Requires:       glibc-devel-static
 Provides:       glibc-devel-static:%{_libdir}/libcrypt.a
+Conflicts:      glibc-devel-static < 2.28
 
 %description devel-static
 This package contains the libxcrypt static libraries for -static