diff --git a/deno.changes b/deno.changes
index a394a2d..c3a71c5 100644
--- a/deno.changes
+++ b/deno.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Nov 18 13:12:51 UTC 2025 - Giacomo Comes <gcomes.obs@gmail.com>
+
+- use macro bcond to select BuildRequires clang/gcc
+- use BuildRequires clang19 by default
+  * allow to select BuildRequires gcc only for tumbleweed since
+    for leap build doesn't work
+
 -------------------------------------------------------------------
 Mon Sep 15 14:53:43 UTC 2025 - Soc Virnyl Estela <uncomfyhalomacro@opensuse.org>
 
diff --git a/deno.spec b/deno.spec
index c27ad45..47cfa7c 100644
--- a/deno.spec
+++ b/deno.spec
@@ -18,6 +18,12 @@
 #
 
 
+%bcond_without clang
+%if 0%{?suse_version} > 1600
+#uncomment next line to select gcc for tumbleweed
+#%%bcond_with clang 
+%endif
+
 %global _lto_cflags %nil
 %global _v8_version 137.2.1
 Name:           deno
@@ -31,7 +37,7 @@ Source0:        %{name}-%{version}.tar.zst
 Source1:        registry.tar.zst
 BuildRequires:  cargo-packaging
 
-%if 0%{?suse_version} > 1600
+%if %{with clang}
 BuildRequires:  clang19
 %else
 BuildRequires:  gcc
@@ -116,7 +122,7 @@ export CARGO_HOME="$PWD/.cargo"
 export CLANG_VERSION=$(clang --version | grep -m1 version | sed 's/.* \([0-9]\+\).*/\1/')
 export V8_FROM_SOURCE=1
 export CLANG_BASE_PATH=%{_prefix}
-%if 0%{?suse_version} > 1600
+%if %{with clang}
 export CC=clang
 export CXX=clang++
 export CFLAGS="%{optflags} -Wno-unknown-warning-option"