diff --git a/aws/us-east-1.instance_data_prod.json b/aws/us-east-1.instance_data_prod.json
index acdaf661..8dc29458 100644
--- a/aws/us-east-1.instance_data_prod.json
+++ b/aws/us-east-1.instance_data_prod.json
@@ -4,8 +4,8 @@
   "default_puppet_server": "puppetmaster-01.srv.releng.aws-us-east-1.mozilla.com",
   "home_tarball": "secrets/dev.tar.gz",
   "hosts": {
-    "puppet": "10.134.48.97",
-    "puppetmaster-01.srv.releng.aws-us-east-1.mozilla.com": "10.134.48.97"
+    "puppet": "10.134.48.35",
+    "puppetmaster-01.srv.releng.aws-us-east-1.mozilla.com": "10.134.48.35"
   },
   "hg_shares": {
     "mozilla-central": "http://ftp.mozilla.org/pub/mozilla.org/firefox/bundles/mozilla-central.hg",
diff --git a/aws/us-east-1.instance_data_try.json b/aws/us-east-1.instance_data_try.json
index 0a4b7ca1..62926b8c 100644
--- a/aws/us-east-1.instance_data_try.json
+++ b/aws/us-east-1.instance_data_try.json
@@ -4,8 +4,8 @@
   "default_puppet_server": "puppetmaster-01.srv.releng.aws-us-east-1.mozilla.com",
   "home_tarball": "secrets/dev.tar.gz",
   "hosts": {
-    "puppet": "10.134.48.97",
-    "puppetmaster-01.srv.releng.aws-us-east-1.mozilla.com": "10.134.48.97"
+    "puppet": "10.134.48.35",
+    "puppetmaster-01.srv.releng.aws-us-east-1.mozilla.com": "10.134.48.35"
   },
   "hg_shares": {
     "try": "http://ftp.mozilla.org/pub/mozilla.org/firefox/bundles/try.hg"