diff --git a/CMakeLists.txt b/CMakeLists.txt
index b10c423..c70fcc9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,11 +107,11 @@ if (MINGW)
    set (CMAKE_PREFIX_PATH ${MINGW_BASE_DIR} )
 endif ()
 
-find_package (Qt5Core 5.4 REQUIRED)
-find_package (Qt5Widgets 5.4 REQUIRED)
-find_package (Qt5PrintSupport 5.4 REQUIRED)
-find_package (Qt5Xml 5.4 REQUIRED)
-find_package (Qt5Svg 5.4 REQUIRED)
+find_package (Qt5Core 5.6 REQUIRED)
+find_package (Qt5Widgets 5.6 REQUIRED)
+find_package (Qt5PrintSupport 5.6 REQUIRED)
+find_package (Qt5Xml 5.6 REQUIRED)
+find_package (Qt5Svg 5.6 REQUIRED)
 find_package (Qt5LinguistTools)
 
 if (WIN32)
@@ -128,7 +128,7 @@ find_package (GnuBarcode 0.98 QUIET)
 find_package (LibQrencode 3.4 QUIET)
 find_package (LibZint 2.6 EXACT QUIET)
 # Unit testing support
-find_package (Qt5Test 5.4 QUIET)
+find_package (Qt5Test 5.6 QUIET)
 
 
 #=======================================
diff --git a/docs/BUILD-INSTRUCTIONS-LINUX.md b/docs/BUILD-INSTRUCTIONS-LINUX.md
index 8f19722..dbc40a0 100644
--- a/docs/BUILD-INSTRUCTIONS-LINUX.md
+++ b/docs/BUILD-INSTRUCTIONS-LINUX.md
@@ -6,7 +6,7 @@ gLabels Linux Build Instructions
 
 - g++
 - CMake 2.8.12+
-- Qt5 5.4+ Development Packages ( Qt5Core, Qt5Widgets, Qt5PrintSupport, Qt5Xml, Qt5Svg )
+- Qt5 5.6+ Development Packages ( Qt5Core, Qt5Widgets, Qt5PrintSupport, Qt5Xml, Qt5Svg )
 - zlib 1.2+ Development Package
 
 > Even if the above library packages are installed, their corresponding development packages