diff --git a/dependencies.json b/dependencies.json
index 69423e86..26ca25e3 100644
--- a/dependencies.json
+++ b/dependencies.json
@@ -1,5 +1,5 @@
 {
-  "comment": "# forces-and-motion-basics 2.3.15 Mon Oct 14 2019 13:59:32 GMT-0600 (Mountain Daylight Time)",
+  "comment": "# forces-and-motion-basics 2.3.15 Tue Oct 15 2019 13:47:42 GMT-0600 (Mountain Daylight Time)",
   "assert": {
     "sha": "928741cfc8fe804334d5b35292140314511f8678",
     "branch": "HEAD"
@@ -21,7 +21,7 @@
     "branch": "HEAD"
   },
   "forces-and-motion-basics": {
-    "sha": "416de538c16b5e232f70752c52b5309122d39ffd",
+    "sha": "55fe542e91d4797c73bc327ca42b5fdd65413a9c",
     "branch": "2.3"
   },
   "joist": {
@@ -33,7 +33,7 @@
     "branch": "HEAD"
   },
   "phet-core": {
-    "sha": "75cf24834a3303a0f6bdc8738a7820e8b6b638a1",
+    "sha": "283b47e7f0a4d4066db46731a8bfc32f70811545",
     "branch": "forces-and-motion-basics-2.3"
   },
   "phetcommon": {
@@ -70,6 +70,6 @@
   },
   "vibe": {
     "sha": "3981024e7ed3299cf57fc92f1e4b425a4c335e08",
-    "branch": "forces-and-motion-basics-2.3"
+    "branch": "HEAD"
   }
 }