diff --git a/package.json b/package.json
index ac8aea8..4f2c780 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@sourcegraph/tsconfig": "^4.0.1",
     "@sourcegraph/tslint-config": "^13.4.0",
     "parcel-bundler": "^1.11.0",
-    "rxjs": "^6.4.0",
+    "rxjs": "^6.6.7",
     "sourcegraph": "^25.6.0",
     "tslint": "^5.20.1",
     "typescript": "^3.3.3"
diff --git a/yarn.lock b/yarn.lock
index 6ffae7a..29bb5c7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4741,7 +4741,7 @@ rxjs-tslint-rules@^4.23.0:
     tsutils "^3.0.0"
     tsutils-etc "^1.2.2"
 
-rxjs@^6.4.0:
+rxjs@^6.6.7:
   version "6.6.7"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
   integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==