diff --git a/backend/moonstream/routes/subscriptions.py b/backend/moonstream/routes/subscriptions.py
index 257061d0..9aab7763 100644
--- a/backend/moonstream/routes/subscriptions.py
+++ b/backend/moonstream/routes/subscriptions.py
@@ -21,6 +21,7 @@ from ..settings import (
     MOONSTREAM_APPLICATION_ID,
     bugout_client as bc,
     AWS_S3_SMARTCONTRACTS_ABI_BUCKET,
+    AWS_S3_SMARTCONTRACTS_ABI_PREFIX,
 )
 from ..web3_provider import yield_web3_provider
 
@@ -123,7 +124,7 @@ async def add_subscription_handler(
         bucket = AWS_S3_SMARTCONTRACTS_ABI_BUCKET
 
         result_bytes = abi.encode("utf-8")
-        result_key = f"v1/{resource.resource_data['address']}/{resource.id}/abi.json"
+        result_key = f"{AWS_S3_SMARTCONTRACTS_ABI_PREFIX}/{resource.resource_data['address']}/{resource.id}/abi.json"
 
         s3_client.put_object(
             Body=result_bytes,
@@ -140,7 +141,7 @@ async def add_subscription_handler(
         update_resource["bucket"] = AWS_S3_SMARTCONTRACTS_ABI_BUCKET
         update_resource[
             "s3_path"
-        ] = f"v1/{resource.resource_data['address']}/{resource.id}/abi.json"
+        ] = f"{AWS_S3_SMARTCONTRACTS_ABI_PREFIX}/{resource.resource_data['address']}/{resource.id}/abi.json"
 
         try:
             updated_resource: BugoutResource = bc.update_resource(
@@ -300,7 +301,7 @@ async def update_subscriptions_handler(
         bucket = AWS_S3_SMARTCONTRACTS_ABI_BUCKET
 
         result_bytes = abi.encode("utf-8")
-        result_key = f"v1/{subscription_resource.resource_data['address']}/{subscription_resource.id}/abi.json"
+        result_key = f"{AWS_S3_SMARTCONTRACTS_ABI_PREFIX}/{subscription_resource.resource_data['address']}/{subscription_resource.id}/abi.json"
 
         s3_client.put_object(
             Body=result_bytes,
@@ -315,7 +316,7 @@ async def update_subscriptions_handler(
         update["bucket"] = AWS_S3_SMARTCONTRACTS_ABI_BUCKET
         update[
             "s3_path"
-        ] = f"v1/{subscription_resource.resource_data['address']}/{subscription_resource.id}/abi.json"
+        ] = f"{AWS_S3_SMARTCONTRACTS_ABI_PREFIX}/{subscription_resource.resource_data['address']}/{subscription_resource.id}/abi.json"
 
     try:
         resource: BugoutResource = bc.update_resource(
diff --git a/backend/moonstream/settings.py b/backend/moonstream/settings.py
index bc45e128..4cef7ef3 100644
--- a/backend/moonstream/settings.py
+++ b/backend/moonstream/settings.py
@@ -70,3 +70,9 @@ if AWS_S3_SMARTCONTRACTS_ABI_BUCKET is None:
     raise ValueError(
         "AWS_S3_SMARTCONTRACTS_ABI_BUCKET environment variable must be set"
     )
+AWS_S3_SMARTCONTRACTS_ABI_PREFIX = os.environ.get("AWS_S3_SMARTCONTRACTS_ABI_PREFIX")
+if AWS_S3_SMARTCONTRACTS_ABI_PREFIX is None:
+    raise ValueError(
+        "AWS_S3_SMARTCONTRACTS_ABI_PREFIX environment variable must be set"
+    )
+AWS_S3_SMARTCONTRACTS_ABI_PREFIX = AWS_S3_SMARTCONTRACTS_ABI_PREFIX.rstrip("/")
diff --git a/backend/sample.env b/backend/sample.env
index 81e57942..399f9fcd 100644
--- a/backend/sample.env
+++ b/backend/sample.env
@@ -8,6 +8,7 @@ export MOONSTREAM_INTERNAL_HOSTED_ZONE_ID="<moonstream_internal_hosted_zone_id>"
 export MOONSTREAM_ETHEREUM_WEB3_PROVIDER_URI="<connection_path_uri_to_ethereum_node>"
 export AWS_S3_SMARTCONTRACT_BUCKET="<AWS S3 bucket to store smart contracts>"
 export AWS_S3_SMARTCONTRACTS_ABI_BUCKET="<AWS S3 bucket to store smart contracts ABI>"
+export AWS_S3_SMARTCONTRACTS_ABI_PREFIX="<Previx for AWS S3 bucket (v1/v2/dev/..)>"
 export BUGOUT_BROOD_URL="https://auth.bugout.dev"
 export BUGOUT_SPIRE_URL="https://spire.bugout.dev"
 export HUMBUG_REPORTER_BACKEND_TOKEN="<Bugout Humbug token for crash reports>"