diff --git a/rswag-specs/lib/rswag/specs/swagger_formatter.rb b/rswag-specs/lib/rswag/specs/swagger_formatter.rb
index d70cbcd..f87d779 100644
--- a/rswag-specs/lib/rswag/specs/swagger_formatter.rb
+++ b/rswag-specs/lib/rswag/specs/swagger_formatter.rb
@@ -197,6 +197,14 @@ module Rswag
 
           ActiveSupport::Deprecation.warn("Rswag::Specs: WARNING: securityDefinitions flow is replaced in OpenAPI3! Rename to components/securitySchemes/#{name}/flows[] (in swagger_helper.rb)")
           flow = swagger_doc[:components][:securitySchemes][name].delete(:flow)
+          if flow == :accessCode
+            ActiveSupport::Deprecation.warn("Rswag::Specs: WARNING: securityDefinitions accessCode is replaced in OpenAPI3! Rename to clientCredentials (in swagger_helper.rb)")
+            flow = :clientCredentials
+          end
+          if flow == :application
+            ActiveSupport::Deprecation.warn("Rswag::Specs: WARNING: securityDefinitions application is replaced in OpenAPI3! Rename to authorizationCode (in swagger_helper.rb)")
+            flow = :authorizationCode
+          end
           flow_elements = swagger_doc[:components][:securitySchemes][name].except(:type).each_with_object({}) do |(k, _v), a|
             a[k] = swagger_doc[:components][:securitySchemes][name].delete(k)
           end
diff --git a/rswag-specs/spec/rswag/specs/swagger_formatter_spec.rb b/rswag-specs/spec/rswag/specs/swagger_formatter_spec.rb
index a233471..2923cb3 100644
--- a/rswag-specs/spec/rswag/specs/swagger_formatter_spec.rb
+++ b/rswag-specs/spec/rswag/specs/swagger_formatter_spec.rb
@@ -78,9 +78,19 @@ module Rswag
               produces: ['application/vnd.my_mime', 'application/json'],
               components: {
                 securitySchemes: {
-                  my_oauth: {
+                  myClientCredentials: {
                     type: :oauth2,
-                    flow: :anything,
+                    flow: :accessCode,
+                    token_url: :somewhere
+                  },
+                  myAuthorizationCode: {
+                    type: :oauth2,
+                    flow: :application,
+                    token_url: :somewhere
+                  },
+                  myImplicit: {
+                    type: :oauth2,
+                    flow: :implicit,
                     token_url: :somewhere
                   }
                 }
@@ -129,10 +139,26 @@ module Rswag
             expect(swagger_doc.slice(:components)).to match(
               components: {
                 securitySchemes: {
-                  my_oauth: {
+                  myClientCredentials: {
                     type: :oauth2,
                     flows: {
-                      anything: {
+                      clientCredentials: {
+                        token_url: :somewhere
+                      }
+                    }
+                  },
+                  myAuthorizationCode: {
+                    type: :oauth2,
+                    flows: {
+                      authorizationCode: {
+                        token_url: :somewhere
+                      }
+                    }
+                  },
+                  myImplicit: {
+                    type: :oauth2,
+                    flows: {
+                      implicit: {
                         token_url: :somewhere
                       }
                     }