diff --git a/ac_BP/manifest.json b/ac_BP/manifest.json
index 931e6a5f..f4c1461f 100644
--- a/ac_BP/manifest.json
+++ b/ac_BP/manifest.json
@@ -5,7 +5,7 @@
         "description": "pack.description",
         "uuid": "22cc8811-023a-42dc-9f1b-45065f9d33b2",
         "version": [4, 0, 5],
-        "min_engine_version": [1, 21, 2]
+        "min_engine_version": [1, 21, 20]
     },
     "metadata": {
         "authors": ["jasonlaubb"],
diff --git a/ac_RP/manifest.json b/ac_RP/manifest.json
index 807449f3..b400546c 100644
--- a/ac_RP/manifest.json
+++ b/ac_RP/manifest.json
@@ -5,7 +5,7 @@
 		"description": "pack.description",
 		"uuid": "8a0fbe45-e0fb-41e3-8c2e-e187420717ba",
         "version": [4, 0, 5],
-		"min_engine_version": [1, 21, 0]
+		"min_engine_version": [1, 21, 20]
 	},
 	"modules": [
 		{