diff --git a/Makefile b/Makefile
index e95ac5a..52455af 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PACKER_VERSION=1.5.2
+PACKER_VERSION=1.7.2
 PWN_HOSTNAME=pwnagotchi
 PWN_VERSION=master
 
diff --git a/builder/pwnagotchi.json b/builder/pwnagotchi.json
index 296d3c6..8f1a095 100644
--- a/builder/pwnagotchi.json
+++ b/builder/pwnagotchi.json
@@ -4,7 +4,6 @@
       "name": "pwnagotchi",
       "type": "arm-image",
       "iso_url": "https://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2019-07-12/2019-07-10-raspbian-buster-lite.zip",
-      "iso_checksum_type": "sha256",
       "iso_checksum": "9e5cf24ce483bb96e7736ea75ca422e3560e7b455eee63dd28f66fa1825db70e",
       "last_partition_extra_size": 3221225472
     }