diff --git a/ChangeLog.txt b/ChangeLog.txt
index eca13c908c..56c9e75fe4 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -7,6 +7,11 @@
    Entries may not always be in chronological/commit order.
    See license at the end of file. */
 
+2025-12-14 03:10 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * contrib/hbzebra/datamtrx.c
+    * extended GCC excessive diagnostics workaround also for GCC-15 to fix
+      strict mode in CI
+
 2025-12-13 19:38 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * include/hbdate.h
   * src/common/hbdate.c
diff --git a/contrib/hbzebra/datamtrx.c b/contrib/hbzebra/datamtrx.c
index 266e8b2ed8..918094ac70 100644
--- a/contrib/hbzebra/datamtrx.c
+++ b/contrib/hbzebra/datamtrx.c
@@ -66,7 +66,7 @@
 
 #include "hbzebra.h"
 
-#if defined( __GNUC__ ) && __GNUC__ >= 12 && __GNUC__ <= 14
+#if defined( __GNUC__ ) && __GNUC__ >= 12 && __GNUC__ <= 15
    /* workaround for GCC bug */
    #pragma GCC diagnostic ignored "-Warray-bounds"
 #endif