diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 
 cmake_minimum_required(VERSION 2.8.12)
 
-find_package(ECM 5.29.0 REQUIRED NO_MODULE)
+find_package(ECM 5.26.0 REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH} ${ECM_KDE_MODULE_DIR})
 if(POLICY CMP0063)
     cmake_policy(SET CMP0063 NEW)