diff --git a/tim-kwiatkowski-angularfire/yarn.lock b/tim-kwiatkowski-angularfire/yarn.lock
index 95477cb..a0e0949 100644
--- a/tim-kwiatkowski-angularfire/yarn.lock
+++ b/tim-kwiatkowski-angularfire/yarn.lock
@@ -1449,7 +1449,7 @@ compressible@~2.0.13:
 
 compression@^1.5.2:
   version "1.7.2"
-  resolved "http://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
+  resolved "https://registry.npmjs.org/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
   dependencies:
     accepts "~1.3.4"
     bytes "3.0.0"
@@ -4941,8 +4941,8 @@ qs@6.5.2, qs@~6.5.1:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
 
 qs@~6.3.0:
-  version "6.3.2"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.2.tgz#e75bd5f6e268122a2a0e0bda630b2550c166502c"
+  version "6.3.3"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.3.tgz#645c23bd6def4d552f258f0aadfeea6fd57f5a86"
 
 qs@~6.4.0:
   version "6.4.0"
@@ -5314,6 +5314,12 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
+rxjs@6.3.3:
+  version "6.3.3"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.3.3.tgz#3c6a7fa420e844a81390fb1158a9ec614f4bad55"
+  dependencies:
+    tslib "^1.9.0"
+
 rxjs@^6.0.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.2.0.tgz#e024d0e180b72756a83c2aaea8f25423751ba978"