diff --git a/mrbgems/mruby-binding-eval/mrbgem.rake b/mrbgems/mruby-binding-eval/mrbgem.rake
index db7ff9bf4..54c28af4c 100644
--- a/mrbgems/mruby-binding-eval/mrbgem.rake
+++ b/mrbgems/mruby-binding-eval/mrbgem.rake
@@ -3,7 +3,7 @@ MRuby::Gem::Specification.new('mruby-binding-eval') do |spec|
   spec.author  = 'mruby developers'
   spec.summary = 'Binding class'
 
-  spec.add_dependency('mruby-binding-core', :core => 'mruby-binding-core')
+  spec.add_dependency('mruby-binding', :core => 'mruby-binding')
   spec.add_dependency('mruby-eval', :core => 'mruby-eval')
   spec.add_test_dependency('mruby-metaprog', :core => 'mruby-metaprog')
   spec.add_test_dependency('mruby-method', :core => 'mruby-method')
diff --git a/mrbgems/mruby-binding-core/mrbgem.rake b/mrbgems/mruby-binding/mrbgem.rake
similarity index 75%
rename from mrbgems/mruby-binding-core/mrbgem.rake
rename to mrbgems/mruby-binding/mrbgem.rake
index c0ba48207..fe48f3add 100644
--- a/mrbgems/mruby-binding-core/mrbgem.rake
+++ b/mrbgems/mruby-binding/mrbgem.rake
@@ -1,4 +1,4 @@
-MRuby::Gem::Specification.new('mruby-binding-core') do |spec|
+MRuby::Gem::Specification.new('mruby-binding') do |spec|
   spec.license = 'MIT'
   spec.author  = 'mruby developers'
   spec.summary = 'Binding class (core features only)'
diff --git a/mrbgems/mruby-binding-core/src/binding-core.c b/mrbgems/mruby-binding/src/binding.c
similarity index 99%
rename from mrbgems/mruby-binding-core/src/binding-core.c
rename to mrbgems/mruby-binding/src/binding.c
index dd9ed282a..f94c532a4 100644
--- a/mrbgems/mruby-binding-core/src/binding-core.c
+++ b/mrbgems/mruby-binding/src/binding.c
@@ -410,7 +410,7 @@ mrb_binding_eval(mrb_state *mrb, mrb_value binding)
 }
 
 void
-mrb_mruby_binding_core_gem_init(mrb_state *mrb)
+mrb_mruby_binding_gem_init(mrb_state *mrb)
 {
   struct RClass *binding = mrb_define_class(mrb, "Binding", mrb->object_class);
   mrb_undef_class_method(mrb, binding, "new");
@@ -430,6 +430,6 @@ mrb_mruby_binding_core_gem_init(mrb_state *mrb)
 }
 
 void
-mrb_mruby_binding_core_gem_final(mrb_state *mrb)
+mrb_mruby_binding_gem_final(mrb_state *mrb)
 {
 }
diff --git a/mrbgems/mruby-binding-core/test/binding-core.rb b/mrbgems/mruby-binding/test/binding.rb
similarity index 100%
rename from mrbgems/mruby-binding-core/test/binding-core.rb
rename to mrbgems/mruby-binding/test/binding.rb
diff --git a/mrbgems/mruby-eval/src/eval.c b/mrbgems/mruby-eval/src/eval.c
index d24246865..d88d4d229 100644
--- a/mrbgems/mruby-eval/src/eval.c
+++ b/mrbgems/mruby-eval/src/eval.c
@@ -9,7 +9,7 @@
 #include <mruby/variable.h>
 #include <mruby/internal.h>
 
-/* provided by mruby-binding-core */
+/* provided by mruby-binding */
 const struct RProc * mrb_binding_extract_proc(mrb_state *mrb, mrb_value binding);
 struct REnv * mrb_binding_extract_env(mrb_state *mrb, mrb_value binding);
 
diff --git a/mrbgems/mruby-proc-binding/mrbgem.rake b/mrbgems/mruby-proc-binding/mrbgem.rake
index 6115028ec..736b38035 100644
--- a/mrbgems/mruby-proc-binding/mrbgem.rake
+++ b/mrbgems/mruby-proc-binding/mrbgem.rake
@@ -3,7 +3,7 @@ MRuby::Gem::Specification.new('mruby-proc-binding') do |spec|
   spec.author  = 'mruby developers'
   spec.summary = 'Proc#binding method'
 
-  spec.add_dependency('mruby-binding-core', :core => 'mruby-binding-core')
+  spec.add_dependency('mruby-binding', :core => 'mruby-binding')
   spec.add_dependency('mruby-proc-ext', :core => 'mruby-proc-ext')
   spec.add_test_dependency('mruby-binding-eval', :core => 'mruby-binding-eval')
   spec.add_test_dependency('mruby-compiler', :core => 'mruby-compiler')
diff --git a/mrbgems/mruby-proc-binding/src/proc-binding.c b/mrbgems/mruby-proc-binding/src/proc-binding.c
index 0641617ac..f513dafda 100644
--- a/mrbgems/mruby-proc-binding/src/proc-binding.c
+++ b/mrbgems/mruby-proc-binding/src/proc-binding.c
@@ -6,7 +6,7 @@
 /* provided by mruby-proc-ext */
 mrb_value mrb_proc_source_location(mrb_state *mrb, struct RProc *p);
 
-/* provided by mruby-binding-core */
+/* provided by mruby-binding */
 mrb_value mrb_binding_new(mrb_state *mrb, const struct RProc *proc, mrb_value recv, struct REnv *env);
 
 static mrb_value