diff --git a/ubuntu-14.04-amd64.json b/ubuntu-14.04-amd64.json
index 96a1ae727..d9f0bd301 100644
--- a/ubuntu-14.04-amd64.json
+++ b/ubuntu-14.04-amd64.json
@@ -207,12 +207,12 @@
     "headless": "",
     "http_proxy": "{{env `http_proxy`}}",
     "https_proxy": "{{env `https_proxy`}}",
-    "iso_checksum": "8acd2f56bfcba2f7ac74a7e4a5e565ce68c024c38525c0285573e41c86ae90c0",
+    "iso_checksum": "a3b345908a826e262f4ea1afeb357fd09ec0558cf34e6c9112cead4bb55ccdfb",
     "iso_checksum_type": "sha256",
-    "iso_name": "ubuntu-14.04.2-server-amd64.iso",
+    "iso_name": "ubuntu-14.04.3-server-amd64.iso",
     "metadata": "floppy/dummy_metadata.json",
     "mirror": "http://releases.ubuntu.com",
-    "mirror_directory": "14.04.2",
+    "mirror_directory": "14.04.3",
     "name": "ubuntu-14.04",
     "no_proxy": "{{env `no_proxy`}}",
     "preseed_path": "ubuntu-14.04/preseed.cfg",
diff --git a/ubuntu-14.04-i386.json b/ubuntu-14.04-i386.json
index 204730383..08eff882e 100644
--- a/ubuntu-14.04-i386.json
+++ b/ubuntu-14.04-i386.json
@@ -207,12 +207,12 @@
     "headless": "",
     "http_proxy": "{{env `http_proxy`}}",
     "https_proxy": "{{env `https_proxy`}}",
-    "iso_checksum": "76524ab9502a34b983ed56af2d5a72835ce41aec1e2b4c0cb7788ef596958ed6",
+    "iso_checksum": "a5c02e25a8f6ab335269adb1a6c176edff075093b90854439b4a90fce9b31f28",
     "iso_checksum_type": "sha256",
-    "iso_name": "ubuntu-14.04.2-server-i386.iso",
+    "iso_name": "ubuntu-14.04.3-server-i386.iso",
     "metadata": "floppy/dummy_metadata.json",
     "mirror": "http://releases.ubuntu.com",
-    "mirror_directory": "14.04.2",
+    "mirror_directory": "14.04.3",
     "name": "ubuntu-14.04-i386",
     "no_proxy": "{{env `no_proxy`}}",
     "preseed_path": "ubuntu-14.04/preseed.cfg",