diff --git a/CMakeLists.txt b/CMakeLists.txt
index be24755f..9ecaecbc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.27)
+cmake_minimum_required(VERSION 3.26)
 
 # singleton target across multiple projects
 if(TARGET CommonLib)
diff --git a/CommonLibSF/CMakeLists.txt b/CommonLibSF/CMakeLists.txt
index 51ee47b0..a8d31b35 100644
--- a/CommonLibSF/CMakeLists.txt
+++ b/CommonLibSF/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.27)
+cmake_minimum_required(VERSION 3.26)
 message("Using toolchain file ${CMAKE_TOOLCHAIN_FILE}.")
 
 # singleton target across multiple projects
diff --git a/CommonLibSF/CMakePresets.json b/CommonLibSF/CMakePresets.json
index dae7e35a..11659a4c 100644
--- a/CommonLibSF/CMakePresets.json
+++ b/CommonLibSF/CMakePresets.json
@@ -2,7 +2,7 @@
   "version": 6,
   "cmakeMinimumRequired": {
     "major": 3,
-    "minor": 27,
+    "minor": 26,
     "patch": 0
   },
   "configurePresets": [