diff --git a/.gitignore b/.gitignore old mode 100755 new mode 100644 diff --git a/Gemfile b/Gemfile old mode 100755 new mode 100644 diff --git a/LICENSE b/LICENSE old mode 100755 new mode 100644 diff --git a/README.md b/README.md old mode 100755 new mode 100644 diff --git a/Rakefile b/Rakefile old mode 100755 new mode 100644 diff --git a/digest-blake2b.gemspec b/digest-blake2b.gemspec old mode 100755 new mode 100644 diff --git a/ext/digest/blake2b_ext/blake2-impl.h b/ext/digest/blake2b_ext/blake2-impl.h old mode 100755 new mode 100644 diff --git a/ext/digest/blake2b_ext/blake2.h b/ext/digest/blake2b_ext/blake2.h old mode 100755 new mode 100644 diff --git a/ext/digest/blake2b_ext/extconf.rb b/ext/digest/blake2b_ext/extconf.rb old mode 100755 new mode 100644 diff --git a/ext/digest/blake2b_ext/rbext.c b/ext/digest/blake2b_ext/rbext.c old mode 100755 new mode 100644 diff --git a/lib/digest/blake2b/key.rb b/lib/digest/blake2b/key.rb old mode 100755 new mode 100644 diff --git a/test/blake2/key_test.rb b/test/blake2/key_test.rb old mode 100755 new mode 100644 diff --git a/test/blake2b_api_test.rb b/test/blake2b_api_test.rb old mode 100755 new mode 100644 diff --git a/test/blake2b_test.rb b/test/blake2b_test.rb old mode 100755 new mode 100644 diff --git a/test/blake2b_vector_test.rb b/test/blake2b_vector_test.rb old mode 100755 new mode 100644 diff --git a/test/performance/blake2b_gc_test.rb b/test/performance/blake2b_gc_test.rb old mode 100755 new mode 100644 diff --git a/test/test_helper.rb b/test/test_helper.rb old mode 100755 new mode 100644