diff --git a/pkgs/by-name/ct/ctranslate2/package.nix b/pkgs/by-name/ct/ctranslate2/package.nix
index c03e25a739ac..aaa3cbb13e27 100644
--- a/pkgs/by-name/ct/ctranslate2/package.nix
+++ b/pkgs/by-name/ct/ctranslate2/package.nix
@@ -38,6 +38,19 @@ stdenv'.mkDerivation (finalAttrs: {
     hash = "sha256-EM2kunqtxo0BTIzrEomfaRsdav7sx6QEOhjDtjjSoYY=";
   };
 
+  # Fix CMake 4 compatibility
+  postPatch = ''
+    substituteInPlace third_party/cpu_features/CMakeLists.txt \
+      --replace-fail \
+        'cmake_minimum_required(VERSION 3.0)' \
+        'cmake_minimum_required(VERSION 3.10)'
+
+    substituteInPlace third_party/ruy/third_party/cpuinfo/deps/clog/CMakeLists.txt \
+      --replace-fail \
+        'CMAKE_MINIMUM_REQUIRED(VERSION 3.1 FATAL_ERROR)' \
+        'CMAKE_MINIMUM_REQUIRED(VERSION 3.10 FATAL_ERROR)'
+  '';
+
   nativeBuildInputs = [
     cmake
   ]