# SPDX-FileCopyrightText: 2025 Volker Krause <vkrause@kde.org>
# SPDX-License-Identifier: BSD-2-Clause

diff --git i/CMakeLists.txt w/CMakeLists.txt
index a9fb3ec..09e8c99 100644
--- i/CMakeLists.txt
+++ w/CMakeLists.txt
@@ -4,7 +4,7 @@ set(PIM_VERSION "6.4.40")
 project(KMime VERSION ${PIM_VERSION})
 
 # ECM setup
-set(KF_MIN_VERSION "6.14.0")
+set(KF_MIN_VERSION "6.13.0")
 
 find_package(ECM ${KF_MIN_VERSION} CONFIG REQUIRED)
 set(CMAKE_MODULE_PATH ${KMime_SOURCE_DIR}/cmake ${ECM_MODULE_PATH})
