diff --git a/arpspoof/build.json b/arpspoof/build.json
index 0964b76fe..7b4c9e610 100644
--- a/arpspoof/build.json
+++ b/arpspoof/build.json
@@ -1,8 +1,8 @@
 {
   "build_from": {
-    "aarch64": "techblog/arpspoof-docker:",
-    "amd64": "techblog/arpspoof-docker:",
-    "armv7": "techblog/arpspoof-docker:"
+    "aarch64": "techblog/arpspoof-docker:a",
+    "amd64": "techblog/arpspoof-docker:a",
+    "armv7": "techblog/arpspoof-docker:a"
   },
   "codenotary": {
     "signer": "alexandrep.github@gmail.com"