diff --git a/dependencies.json b/dependencies.json
index 2de6e52..50d062f 100644
--- a/dependencies.json
+++ b/dependencies.json
@@ -1,7 +1,7 @@
 {
-  "comment": "# area-model-algebra 1.2.1 Tue Feb 25 2020 00:42:06 GMT-0700 (Mountain Standard Time)",
+  "comment": "# area-model-algebra 1.2.1 Mon Mar 08 2021 11:45:59 GMT-0500 (Eastern Standard Time)",
   "area-model-algebra": {
-    "sha": "8353f6b2513795db30b2d4fa02a3a076b925c4a3",
+    "sha": "89440d709c4bf6de7fc7f284f4e4519c2b357985",
     "branch": "1.2"
   },
   "area-model-common": {
@@ -53,8 +53,8 @@
     "branch": "HEAD"
   },
   "phetmarks": {
-    "sha": "01cbbd71ad4ca7d29bf68de518e0d3215acf3528",
-    "branch": "HEAD"
+    "sha": "8942314e2cc78c45246515636f0916add1e34563",
+    "branch": "area-model-algebra-1.2"
   },
   "query-string-machine": {
     "sha": "d1e4a8e6eca6c5061c0ae482548d3332a20004b9",