diff --git a/sci-ml/gloo/files/gloo-2023.12.03-cmake.patch b/sci-ml/gloo/files/gloo-2023.12.03-cmake.patch
new file mode 100644
index 0000000000000..a11a8b51dce67
--- /dev/null
+++ b/sci-ml/gloo/files/gloo-2023.12.03-cmake.patch
@@ -0,0 +1,8 @@
+--- a/CMakeLists.txt	2025-08-04 10:53:36.751967370 +0200
++++ b/CMakeLists.txt	2025-08-04 10:53:50.092812021 +0200
+@@ -1,4 +1,4 @@
+-cmake_minimum_required(VERSION 2.8.12 FATAL_ERROR)
++cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
+ 
+ project(gloo CXX C)
+ 
diff --git a/sci-ml/gloo/gloo-2023.12.03.ebuild b/sci-ml/gloo/gloo-2023.12.03.ebuild
index 495f9b1d0ce7c..689eb35766b02 100644
--- a/sci-ml/gloo/gloo-2023.12.03.ebuild
+++ b/sci-ml/gloo/gloo-2023.12.03.ebuild
@@ -39,6 +39,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-2023.01.17-cuda.patch
 	"${FILESDIR}"/${PN}-2023.01.17-ssl3.patch
 	"${FILESDIR}"/${P}-gcc15.patch
+	"${FILESDIR}"/${P}-cmake.patch
 )
 
 src_prepare() {