diff --git a/Library/Homebrew/compilers.rb b/Library/Homebrew/compilers.rb
index 51f0919e5684c4c7ad7d32f5163b2a4d7e1ff7ef..b8bc708fab9a8989642a8f59a5dde9de6411f3c8 100644
--- a/Library/Homebrew/compilers.rb
+++ b/Library/Homebrew/compilers.rb
@@ -1,7 +1,7 @@
 # @private
 module CompilerConstants
-  GNU_GCC_VERSIONS = %w[4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 6]
-  GNU_GCC_REGEXP = /^gcc-(4\.[3-9]|[5-6])$/
+  GNU_GCC_VERSIONS = %w[4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 6 7]
+  GNU_GCC_REGEXP = /^gcc-(4\.[3-9]|[5-7])$/
   COMPILER_SYMBOL_MAP = {
     "gcc-4.0"  => :gcc_4_0,
     "gcc-4.2"  => :gcc,