diff --git a/bash.changes b/bash.changes
index c5a5b12..27732b6 100644
--- a/bash.changes
+++ b/bash.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Nov 15 07:36:32 UTC 2023 - Dr. Werner Fink <werner@suse.de>
+
+- Be sure to have a usable bison installed at build time 
+
 -------------------------------------------------------------------
 Tue Nov 14 16:40:23 UTC 2023 - Dr. Werner Fink <werner@suse.de>
 
diff --git a/bash.spec b/bash.spec
index 00cb5d0..0943421 100644
--- a/bash.spec
+++ b/bash.spec
@@ -89,7 +89,8 @@ Patch49:        bash-4.3-pathtemp.patch
 # PATCH-FIX-SUSE
 Patch50:        quotes-man2html.patch
 BuildRequires:  autoconf
-BuildRequires:  bison
+# latest bash uses with patch 18 the tag YYEOF
+BuildRequires:  bison >= 3.8.1
 BuildRequires:  fdupes
 BuildRequires:  glibc-locale
 BuildRequires:  glibc-locale-base