diff --git a/cmake/cef_variables.cmake.in b/cmake/cef_variables.cmake.in
index 2dced947c..348654525 100644
--- a/cmake/cef_variables.cmake.in
+++ b/cmake/cef_variables.cmake.in
@@ -105,7 +105,7 @@ if(OS_LINUX)
     -fno-rtti                       # Disable real-time type information
     -fno-threadsafe-statics         # Don't generate thread-safe statics
     -fvisibility-inlines-hidden     # Give hidden visibility to inlined class member functions
-    -std=gnu++11                    # Use the C++11 language standard including GNU extensions
+    -std=c++14                      # Use the C++14 language standard
     -Wsign-compare                  # Warn about mixed signed/unsigned type comparisons
     )
   list(APPEND CEF_COMPILER_FLAGS_DEBUG
@@ -274,7 +274,7 @@ if(OS_MAC)
     -fno-threadsafe-statics         # Don't generate thread-safe statics
     -fobjc-call-cxx-cdtors          # Call the constructor/destructor of C++ instance variables in ObjC objects
     -fvisibility-inlines-hidden     # Give hidden visibility to inlined class member functions
-    -std=gnu++11                    # Use the C++11 language standard including GNU extensions
+    -std=c++14                      # Use the C++14 language standard
     -Wno-narrowing                  # Don't warn about type narrowing
     -Wsign-compare                  # Warn about mixed signed/unsigned type comparisons
     )