diff --git a/types/angular-wizard/index.d.ts b/types/angular-wizard/index.d.ts
index 33fa8b2b0a..fa14a2f2f7 100644
--- a/types/angular-wizard/index.d.ts
+++ b/types/angular-wizard/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/mgonto/angular-wizard
 // Definitions by: Marko Jurisic <https://github.com/mjurisic>, Ronald Wildenberg <https://github.com/rwwilden>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 import * as angular from 'angular';
 
diff --git a/types/frisby/index.d.ts b/types/frisby/index.d.ts
index 9057edae6d..1bcd6fdabb 100644
--- a/types/frisby/index.d.ts
+++ b/types/frisby/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Christopher E. Woodland <https://github.com/cwoodland>
 //                 Johnny Li <https://github.com/johnny4753>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.6
+// TypeScript Version: 2.8
 
 /// <reference types='jasmine'/>
 
diff --git a/types/frisby/v0/index.d.ts b/types/frisby/v0/index.d.ts
index 37ccb7c15f..bb41e93321 100644
--- a/types/frisby/v0/index.d.ts
+++ b/types/frisby/v0/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/vlucas/frisby
 // Definitions by: Johnny Li <https://github.com/johnny4753>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 ///<reference types="jasmine"/>
 
diff --git a/types/gulp-jasmine/index.d.ts b/types/gulp-jasmine/index.d.ts
index d36896d855..e1693e38cd 100644
--- a/types/gulp-jasmine/index.d.ts
+++ b/types/gulp-jasmine/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/sindresorhus/gulp-jasmine#readme
 // Definitions by: Andrey Lalev <https://github.com/andypyrope>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="node" />
 /// <reference types="jasmine" />
diff --git a/types/jasmine-ajax/index.d.ts b/types/jasmine-ajax/index.d.ts
index 2e111a19f3..ad95004612 100644
--- a/types/jasmine-ajax/index.d.ts
+++ b/types/jasmine-ajax/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/jasmine/jasmine-ajax
 // Definitions by: Louis Grignon <https://github.com/lgrignon>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 interface JasmineAjaxResponse {
 	status?: number;
diff --git a/types/jasmine-data_driven_tests/index.d.ts b/types/jasmine-data_driven_tests/index.d.ts
index 54a7ea0441..6e6a070eaa 100644
--- a/types/jasmine-data_driven_tests/index.d.ts
+++ b/types/jasmine-data_driven_tests/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/gburghardt/jasmine-data_driven_tests
 // Definitions by: Anthony MacKinnon <https://github.com/AnthonyMacKinnon>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 declare var all: JasmineDataDrivenTest;
 declare var xall: JasmineDataDrivenTest;
diff --git a/types/jasmine-es6-promise-matchers/index.d.ts b/types/jasmine-es6-promise-matchers/index.d.ts
index e80b9241c7..0a1c5360be 100644
--- a/types/jasmine-es6-promise-matchers/index.d.ts
+++ b/types/jasmine-es6-promise-matchers/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/bvaughn/jasmine-es6-promise-matchers
 // Definitions by: Stephen Lautier <https://github.com/stephenlautier>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />
 
diff --git a/types/jasmine-fixture/index.d.ts b/types/jasmine-fixture/index.d.ts
index 82449ffc01..cb68513a79 100644
--- a/types/jasmine-fixture/index.d.ts
+++ b/types/jasmine-fixture/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/searls/jasmine-fixture
 // Definitions by: Craig Brett <https://github.com/craigbrett17>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />
 
diff --git a/types/jasmine-jquery/index.d.ts b/types/jasmine-jquery/index.d.ts
index 0dc023f33a..1675992a7b 100644
--- a/types/jasmine-jquery/index.d.ts
+++ b/types/jasmine-jquery/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/velesin/jasmine-jquery
 // Definitions by: Gregor Stamac <https://github.com/gstamac>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine"/>
 /// <reference types="jquery"/>
diff --git a/types/jasmine-matchers/index.d.ts b/types/jasmine-matchers/index.d.ts
index e5167e2084..7284ffce49 100644
--- a/types/jasmine-matchers/index.d.ts
+++ b/types/jasmine-matchers/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/uxebu/jasmine-matchers
 // Definitions by: Bart van der Schoor <https://github.com/Bartvds>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /*
 Typings 2013 Bart van der Schoor
diff --git a/types/jasmine-node/index.d.ts b/types/jasmine-node/index.d.ts
index dcb55bcd2d..3270b356bd 100644
--- a/types/jasmine-node/index.d.ts
+++ b/types/jasmine-node/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/mhevery/jasmine-node
 // Definitions by: Sven Reglitzki <https://github.com/svi3c>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 ///<reference types="jasmine"/>
 
diff --git a/types/jasmine-promise-matchers/index.d.ts b/types/jasmine-promise-matchers/index.d.ts
index e2b3c0116e..3c05b5304e 100644
--- a/types/jasmine-promise-matchers/index.d.ts
+++ b/types/jasmine-promise-matchers/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/bvaughn/jasmine-promise-matchers
 // Definitions by: Matthew Hill <https://github.com/matthewjh>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />
 
diff --git a/types/jasmine/index.d.ts b/types/jasmine/index.d.ts
index 254714ff94..8e8ca9489f 100644
--- a/types/jasmine/index.d.ts
+++ b/types/jasmine/index.d.ts
@@ -1,8 +1,14 @@
 // Type definitions for Jasmine 2.8.0
 // Project: http://jasmine.github.io/
-// Definitions by: Boris Yankov <https://github.com/borisyankov>, Theodore Brown <https://github.com/theodorejb>, David Pärsson <https://github.com/davidparsson>, Gabe Moothart <https://github.com/gmoothart>, Lukas Zech <https://github.com/lukas-zech-software>, Boris Breuer <https://github.com/Engineer2B>
+// Definitions by: Boris Yankov <https://github.com/borisyankov>
+//                 Theodore Brown <https://github.com/theodorejb>
+//                 David Pärsson <https://github.com/davidparsson>
+//                 Gabe Moothart <https://github.com/gmoothart>
+//                 Lukas Zech <https://github.com/lukas-zech-software>
+//                 Boris Breuer <https://github.com/Engineer2B>
+//                 Chris Yungmann <https://github.com/cyungmann>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 // For ddescribe / iit use : https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/karma-jasmine/karma-jasmine.d.ts
 
 /**
@@ -129,7 +135,7 @@ declare function waits(timeout?: number): void;
 
 declare namespace jasmine {
     type Expected<T> = T | ObjectContaining<T> | Any | Spy;
-    type SpyObjMethodNames<T = {}> = string[] | {[methodName: string]: any} | Array<keyof T>;
+    type SpyObjMethodNames<T = undefined> = T extends undefined ? (ReadonlyArray<string> | {[methodName: string]: any}) : (ReadonlyArray<keyof T> | {[P in keyof T]?: ReturnType<T[P] extends (...args: any[]) => any ? T[P] : any>});
 
     var clock: () => Clock;
 
diff --git a/types/jasmine_dom_matchers/index.d.ts b/types/jasmine_dom_matchers/index.d.ts
index 5ab86cc799..b3a625f08c 100644
--- a/types/jasmine_dom_matchers/index.d.ts
+++ b/types/jasmine_dom_matchers/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/charleshansen/jasmine_dom_matchers
 // Definitions by: Yaroslav Admin <https://github.com/devoto13>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />
 
diff --git a/types/jasminewd2/index.d.ts b/types/jasminewd2/index.d.ts
index efabeaafe0..7e75d87991 100644
--- a/types/jasminewd2/index.d.ts
+++ b/types/jasminewd2/index.d.ts
@@ -3,7 +3,7 @@
 // Definitions by: Sammy Jelin <https://github.com/sjelin>
 //                 George Kalpakas <https://github.com/gkalpak>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />
 
diff --git a/types/karma-jasmine/index.d.ts b/types/karma-jasmine/index.d.ts
index ae929c6af3..73ca7a480e 100644
--- a/types/karma-jasmine/index.d.ts
+++ b/types/karma-jasmine/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/karma-runner/karma-jasmine
 // Definitions by: Michel Salib <https://github.com/michelsalib>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />
 
diff --git a/types/protractor-helpers/index.d.ts b/types/protractor-helpers/index.d.ts
index bc52455d6e..686c2442be 100644
--- a/types/protractor-helpers/index.d.ts
+++ b/types/protractor-helpers/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/wix/protractor-helpers
 // Definitions by: John Cant <https://github.com/johncant>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 import * as webdriver from "selenium-webdriver";
 
diff --git a/types/saywhen/index.d.ts b/types/saywhen/index.d.ts
index 1c78d4a78e..8c2310312d 100644
--- a/types/saywhen/index.d.ts
+++ b/types/saywhen/index.d.ts
@@ -2,7 +2,7 @@
 // Project: https://github.com/pushtechnology/saywhen
 // Definitions by: Sean Sobey <https://github.com/SeanSobey>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
-// TypeScript Version: 2.3
+// TypeScript Version: 2.8
 
 /// <reference types="jasmine" />