diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index decfcfd..ade64f5 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,5 +1,9 @@
 Changelog
 =========
+2.7.1 (2020-06-09)
+------------------
+- Fix: `additionalProperties` can be a boolean value  - PR #138
+
 2.7.0 (2020-06-05)
 ------------------
 - Ensure correct validation into additionalProperties and items specifications - PR #134. Thanks brycedrennan for your contribution.
diff --git a/swagger_spec_validator/__about__.py b/swagger_spec_validator/__about__.py
index 5197bb0..60bb992 100644
--- a/swagger_spec_validator/__about__.py
+++ b/swagger_spec_validator/__about__.py
@@ -12,7 +12,7 @@
 __summary__ = "Validation of Swagger specifications"
 __uri__ = "http://github.com/Yelp/swagger_spec_validator"
 
-__version__ = "2.7.0"
+__version__ = "2.7.1"
 
 __author__ = "John Billings"
 __email__ = "billings@yelp.com"
diff --git a/swagger_spec_validator/validator20.py b/swagger_spec_validator/validator20.py
index 7b2752d..c18b7db 100644
--- a/swagger_spec_validator/validator20.py
+++ b/swagger_spec_validator/validator20.py
@@ -516,12 +516,13 @@ def validate_definition(definition, deref, def_name=None, visited_definitions_id
             )
 
     if 'additionalProperties' in definition:
-        validate_definition(
-            definition=definition.get('additionalProperties'),
-            deref=deref,
-            def_name='{}/{}'.format(def_name, 'additionalProperties'),
-            visited_definitions_ids=visited_definitions_ids,
-        )
+        if definition.get('additionalProperties') not in (True, False):
+            validate_definition(
+                definition=definition.get('additionalProperties'),
+                deref=deref,
+                def_name='{}/additionalProperties'.format(def_name),
+                visited_definitions_ids=visited_definitions_ids,
+            )
 
     if 'discriminator' in definition:
         required_props, not_required_props = get_collapsed_properties_type_mappings(definition, deref)
diff --git a/tests/validator20/validate_spec_test.py b/tests/validator20/validate_spec_test.py
index 2d57f05..e9c006f 100644
--- a/tests/validator20/validate_spec_test.py
+++ b/tests/validator20/validate_spec_test.py
@@ -427,8 +427,6 @@ def test_highlight_inconsistent_schema_object_validation(minimal_swagger_dict, s
 
 def test_additional_properties_validated(minimal_swagger_dict, default_checks_spec_dict):
     invalid_spec = {'type': 'object', 'required': ['foo']}
-    minimal_swagger_dict['definitions']['injected_definition'] = invalid_spec
-
     minimal_swagger_dict['definitions']['injected_definition'] = {
         'type': 'object', 'additionalProperties': invalid_spec
     }
@@ -437,10 +435,16 @@ def test_additional_properties_validated(minimal_swagger_dict, default_checks_sp
         validate_spec(minimal_swagger_dict)
 
 
+def test_additional_properties_bool(minimal_swagger_dict, default_checks_spec_dict):
+    minimal_swagger_dict['definitions']['injected_definition'] = {
+        'type': 'object', 'additionalProperties': False,
+    }
+
+    validate_spec(minimal_swagger_dict)
+
+
 def test_array_items_validated(minimal_swagger_dict, default_checks_spec_dict):
     invalid_spec = {'type': 'object', 'required': ['foo']}
-    minimal_swagger_dict['definitions']['injected_definition'] = invalid_spec
-
     minimal_swagger_dict['definitions']['injected_definition'] = {
         'type': 'array', 'items': invalid_spec
     }