diff --git a/gawk.changes b/gawk.changes
index 54010dd..2658b4e 100644
--- a/gawk.changes
+++ b/gawk.changes
@@ -4,6 +4,12 @@ Sun Nov 14 17:10:48 UTC 2021 - Andreas Stieger <andreas.stieger@gmx.de>
 - disable racy iolint tests boo#1192521
   add gawk-5.1.1-Disable-racy-test-in-test-iolint.awk.patch
 
+-------------------------------------------------------------------
+Sat Nov  6 22:03:11 UTC 2021 - Andreas Schwab <schwab@suse.de>
+
+- Add readline-devel to enable readline support in the debugger
+- Add mpfr-devel to enable support for MPFR mode
+
 -------------------------------------------------------------------
 Sun Oct 31 11:36:18 UTC 2021 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/gawk.spec b/gawk.spec
index f538a70..d1e978d 100644
--- a/gawk.spec
+++ b/gawk.spec
@@ -29,6 +29,8 @@ Source3:        http://savannah.gnu.org/people/viewgpg.php?user_id=80653#/gawk.k
 Source4:        gawk.rpmlintrc
 Patch0:         gawk-5.1.1-Disable-racy-test-in-test-iolint.awk.patch
 Provides:       awk
+BuildRequires:  mpfr-devel
+BuildRequires:  readline-devel
 
 %description
 AWK is a domain-specific language designed for text processing and