diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8dcf6793d..ea95d818c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,10 +1,8 @@
-if(WIN32)
-    cmake_minimum_required(VERSION 2.8.4)
-elseif(APPLE)
+if(APPLE)
     cmake_minimum_required(VERSION 3.3)
     CMAKE_POLICY(SET CMP0025 NEW)
 else()
-    cmake_minimum_required(VERSION 2.6)
+    cmake_minimum_required(VERSION 2.8.8)
 endif()
 
 # Must stay before the PROJECT() command:
@@ -318,9 +316,9 @@ pkg_check_modules(LCMS REQUIRED lcms2>=2.6)
 pkg_check_modules(EXPAT REQUIRED expat>=2.1)
 pkg_check_modules(FFTW3F REQUIRED fftw3f)
 pkg_check_modules(IPTCDATA REQUIRED libiptcdata)
+pkg_check_modules(TIFF REQUIRED libtiff-4>=4.0.4)
 find_package(JPEG REQUIRED)
 find_package(PNG REQUIRED)
-find_package(TIFF REQUIRED)
 find_package(ZLIB REQUIRED)
 if(WITH_SYSTEM_KLT)
     find_package(KLT REQUIRED)