diff --git a/types/karma-jasmine-html-reporter/index.d.ts b/types/karma-jasmine-html-reporter/index.d.ts
index c52375c02c..4ec578bfbf 100644
--- a/types/karma-jasmine-html-reporter/index.d.ts
+++ b/types/karma-jasmine-html-reporter/index.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for karma-jasmine-html-reporter 1.5
 // Project: https://github.com/dfederm/karma-jasmine-html-reporter#readme
-// Definitions by: Piotr Błażejewicz (Peter Blazejewicz) <https://github.com/peterblazejewicz>
+// Definitions by: Piotr Błażejewicz <https://github.com/peterblazejewicz>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 3.2
 
@@ -16,6 +16,10 @@ declare module 'karma' {
         jasmineHtmlReporter?: JasmineHtmlReporterOptions;
     }
     interface JasmineHtmlReporterOptions {
+        /**
+         * Suppress all messages (overrides other suppress settings)
+         */
+        suppressAll?: boolean;
         /** Suppress failed messages */
         suppressFailed?: boolean;
     }
diff --git a/types/karma-jasmine-html-reporter/karma-jasmine-html-reporter-tests.ts b/types/karma-jasmine-html-reporter/karma-jasmine-html-reporter-tests.ts
index 75d478c8e8..c43189524d 100644
--- a/types/karma-jasmine-html-reporter/karma-jasmine-html-reporter-tests.ts
+++ b/types/karma-jasmine-html-reporter/karma-jasmine-html-reporter-tests.ts
@@ -7,6 +7,7 @@ module.exports = (config: karma.Config) => {
         reporters: ['progress', 'kjhtml', 'mocha'],
         browsers: ['Chrome'],
         jasmineHtmlReporter: {
+            suppressAll: true,
             suppressFailed: true,
         },
     });