diff --git a/wslay-cmake4.0-compat.patch b/wslay-cmake4.0-compat.patch
new file mode 100644
index 0000000..57eaba8
--- /dev/null
+++ b/wslay-cmake4.0-compat.patch
@@ -0,0 +1,40 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 7a41914..2b4f4fb 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 2.8)
++cmake_minimum_required(VERSION 3.5...4.0)
+ 
+ # This CMakeLists.txt file intended for:
+ # - development of wslay library
+diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
+index 5d6aabf..468e8f4 100644
+--- a/examples/CMakeLists.txt
++++ b/examples/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 3.2)
++cmake_minimum_required(VERSION 3.5...4.0)
+ 
+ include(CheckIncludeFiles)
+ check_include_files("sys/epoll.h" HAVE_EPOLL)
+diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
+index 4af972e..741e4ab 100644
+--- a/lib/CMakeLists.txt
++++ b/lib/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 2.8)
++cmake_minimum_required(VERSION 3.5...4.0)
+ 
+ # This CMakeLists.txt file intended for:
+ # - include by master ../CMakeLists.txt
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index 344680b..72917a1 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 3.2)
++cmake_minimum_required(VERSION 3.5...4.0)
+ 
+ find_package(CUnit REQUIRED)
+ 
diff --git a/wslay.spec b/wslay.spec
index 28df28b..5b57760 100644
--- a/wslay.spec
+++ b/wslay.spec
@@ -2,13 +2,15 @@
 
 Name:           wslay
 Version:        1.1.1
-Release:        3%{?dist}
+Release:        9%{?dist}
 Summary:        Lightweight WebSocket library in C
 License:        MIT
 URL:            https://tatsuhiro-t.github.io/wslay
 Source0:        https://github.com/tatsuhiro-t/wslay/archive/release-%{version}/%{name}-release-%{version}.tar.gz
 # Patch from Debian: https://salsa.debian.org/debian/wslay
 Patch0:         10_update_cmake.patch
+# Fix build with cmake 4.0. Could be upstreamed but project unmaintained.
+Patch1:         wslay-cmake4.0-compat.patch
 
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
@@ -77,6 +79,24 @@ EOF
 %{_libdir}/pkgconfig/lib%{name}.pc
 
 %changelog
+* Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-9
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
+
+* Sat Jan 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-8
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild
+
+* Sun Jul 27 2025 Rémi Verschelde <akien@fedoraproject.org> - 1.1.1-7
+- Patch config to support CMake 4.0 with min policy 3.5 (rhbz#2381635)
+
+* Fri Jul 25 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-6
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
+
+* Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-5
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
+
+* Sat Jul 20 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-4
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
+
 * Sat Jan 27 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild