installation-instructions.md

@@ -166,7 +166,7 @@ If you encounter an error installing graph-tool via Macports, please file a bug
 
 TL;DR : Just use [clang](http://clang.llvm.org/) for everything.
 
-Make sure you use the same compiler to compile the whole stack (Python, Boost, etc) or you may lead into problems. Since more recent versions of graph-tool, a compiler which supports [C++14](http://en.wikipedia.org/wiki/C++14) is required.
+Make sure you use the same compiler to compile the whole stack (Python, Boost, etc) or you may lead into problems. Since more recent versions of graph-tool, a compiler which supports [C++17](http://en.wikipedia.org/wiki/C++17) is required.
 
 In an ideal world, the correct version should be the latest one from the "stock" [FSF GCC](http://gcc.gnu.org/), however it does not seem to be very well supported in the platform. The [clang](http://clang.llvm.org/) compiler seems to be the only viable option on the platform, and should therefore be used.
 
@@ -184,7 +184,7 @@ Graph-tool was tested extensively only on
 [GNU/Linux](http://www.gnu.org) and MacOS X systems, but should also be
 usable on other systems where the below requirements are met.
 
-- [x] A C++14 compiler ([GCC]() version 5 or above, or [clang](http://clang.llvm.org/) version 3.4 or above).
+- [x] A C++17 compiler ([GCC]() version 7 or above, or [clang](http://clang.llvm.org/) version 5 or above).
 - [x] The [Boost](http://www.boost.org/) libraries, version 1.55 or above.
 - [x] [Python](http://www.python.org/) version 2.7, 3 or above.
 - [x] The [expat](http://expat.sourceforge.net/) XML library.