diff --git a/package.json b/package.json
index ae2ab39..fcdacf9 100644
--- a/package.json
+++ b/package.json
@@ -116,7 +116,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-typescript2": "^0.12.0",
     "rxjs": "^5.5.6",
-    "rxjs-marbles": "^2.3.1",
+    "rxjs-marbles": "^5.0.5",
     "semantic-release": "^15.0.0",
     "ts-jest": "^22.0.0",
     "ts-node": "^5.0.1",