diff --git a/package.json b/package.json
index 60473fbffc2..9fd775875a2 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "pem": "1.13.2",
     "postcss-cli": "^6.0.0",
     "reflect-metadata": "^0.1.13",
-    "rxjs": "~6.4.0",
+    "rxjs": "~6.6.3",
     "rxjs-spy": "^7.5.1",
     "sass-resources-loader": "^2.0.0",
     "sortablejs": "1.7.0",
diff --git a/yarn.lock b/yarn.lock
index 60aea5d1014..da33c2262b8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9136,7 +9136,7 @@ rxjs-spy@^7.5.1:
     error-stack-parser "^2.0.1"
     stacktrace-gps "^3.0.2"
 
-rxjs@6.4.0, rxjs@~6.4.0:
+rxjs@6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.4.0.tgz#f3bb0fe7bda7fb69deac0c16f17b50b0b8790504"
   integrity sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==
@@ -9150,6 +9150,13 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
+rxjs@~6.6.3:
+  version "6.6.3"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.3.tgz#8ca84635c4daa900c0d3967a6ee7ac60271ee552"
+  integrity sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==
+  dependencies:
+    tslib "^1.9.0"
+
 safe-buffer@5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"