diff --git a/zig-0.10.1-build-increase-max_output-size.patch b/zig-0.10.1-build-increase-max_output-size.patch
deleted file mode 100644
index ab07e7c..0000000
--- a/zig-0.10.1-build-increase-max_output-size.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- zig-0.10.1/lib/std/build.zig.orig	2023-03-18 13:15:44.162105708 +0100
-+++ zig-0.10.1/lib/std/build.zig	2023-03-18 13:15:48.812081417 +0100
-@@ -1181,7 +1181,7 @@
-         if (!std.process.can_spawn)
-             return error.ExecNotSupported;
- 
--        const max_output_size = 400 * 1024;
-+        const max_output_size = 1000 * 1024;
-         var child = std.ChildProcess.init(argv, self.allocator);
-         child.stdin_behavior = .Ignore;
-         child.stdout_behavior = .Pipe;
diff --git a/zig-0.10.1-llvm-15.patch b/zig-0.10.1-llvm-15.patch
deleted file mode 100644
index 517dbdb..0000000
--- a/zig-0.10.1-llvm-15.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- zig-0.10.1/CMakeLists.txt.orig	2023-03-18 10:33:29.545883623 +0100
-+++ zig-0.10.1/CMakeLists.txt	2023-03-18 10:33:43.992805754 +0100
-@@ -889,7 +889,7 @@
-     if(MSVC)
-         set(EXE_CFLAGS "${EXE_CFLAGS} /w")
-     else()
--        set(EXE_CFLAGS "${EXE_CFLAGS} -Werror -Wall")
-+        set(EXE_CFLAGS "${EXE_CFLAGS} -Werror -Wall -Wno-error=maybe-uninitialized")
-         # fallthrough support was added in GCC 7.0
-         if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7.0)
-             set(EXE_CFLAGS "${EXE_CFLAGS} -Werror=implicit-fallthrough")
diff --git a/zig.spec b/zig.spec
index 4dea40a..6864bec 100644
--- a/zig.spec
+++ b/zig.spec
@@ -1,16 +1,14 @@
-%define gittag %(echo %version | cut -d. -f5)
+#% define gittag %(echo %version | cut -d. -f5)
 Name:          zig
-Version:       0.11.0.20231028git.256ab6
-Release:       2mamba
+Version:       0.13.0
+Release:       1mamba
 Summary:       A general-purpose programming language and toolchain for maintaining robust, optimal and reusable software
 Group:         Applications/Development
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://ziglang.org/
-Source:        https://github.com/ziglang/zig.git/master@%{gittag}/zig-%{version}.tar.bz2
-Patch0:        zig-0.10.1-llvm-15.patch
-Patch1:        zig-0.10.1-build-increase-max_output-size.patch
+Source:        https://github.com/ziglang/zig.git/%{version}/zig-%{version}.tar.bz2
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -32,8 +30,6 @@ Zig is a general-purpose programming language and toolchain for maintaining robu
 %setup -q
 #-D -T
 #:<< __EOF
-#%patch 0 -p1
-#%patch 1 -p1
 
 %build
 #:<< _EOF
@@ -65,6 +61,9 @@ rm -rf %{buildroot}/usr/doc
 %doc LICENSE
 
 %changelog
+* Sun Jul 28 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 0.13.0-1mamba
+- update to 0.13.0
+
 * Sat Nov 04 2023 Automatic Build System <autodist@mambasoft.it> 0.11.0.20231028git.256ab6-2mamba
 - rebuilt by autoport with build requirements: liblld-devel>=17.0.4-1mamba