diff --git a/cic/contract/helpers.py b/cic/contract/helpers.py
index 93c41c5..c5b855d 100644
--- a/cic/contract/helpers.py
+++ b/cic/contract/helpers.py
@@ -22,10 +22,6 @@ CONTRACTS = [
     {
         "url": "https://gitlab.com/cicnet/erc20-demurrage-token/-/raw/master/python/erc20_demurrage_token/data/DemurrageTokenSingleNocap",
         "name": "Demurrage Token Single No Cap",
-    },
-    {
-        "url":"https://gitlab.com/cicnet/erc20-demurrage-token/-/raw/lash/gas-safety-valve/python/erc20_demurrage_token/data/DemurrageTokenSingleNocap",
-        "name": "Demurrage Token Single No Cap (gas-safety-valve)",
     }
 ]
 
@@ -33,15 +29,13 @@ CONTRACTS = [
 def download_file(url: str, filename=None) -> (str, bytes):
     directory = tempfile.gettempdir()
     filename = filename if filename else url.split("/")[-1]
-    hash_object = hashlib.md5(url.encode())
-    path = os.path.join(directory, hash_object.hexdigest())
-    log.debug(f"Downloading {filename} to {path}")
-    if not os.path.exists(path):
-        log.debug(f"Downloading {filename}")
-        r = requests.get(url, allow_redirects=True)
-        with open(path, "wb") as f:
-            f.write(r.content)
-        return path
+    log.debug(f"Downloading {filename}")
+    r = requests.get(url, allow_redirects=True)
+    content_hash = hashlib.md5(r.content).hexdigest()
+    path = os.path.join(directory, content_hash)
+    with open(path, "wb") as f:
+        f.write(r.content)
+    log.debug(f"{filename} downloaded to {path}")
     return path
 
 def get_contract_args(data: list):
diff --git a/config/prod/config.ini b/config/prod/config.ini
index ce1aa8f..4bc766c 100644
--- a/config/prod/config.ini
+++ b/config/prod/config.ini
@@ -5,7 +5,7 @@ proof_writer = cic.writers.KVWriter
 ext_writer = cic.writers.KVWriter
 
 [cic]
-registry_address = 0xcf60ebc445b636a5ab787f9e8bc465a2a3ef8299
+registry_address = 0x86c616fd2f020289d6fd7a98f3bd7539b335c995
 
 [meta]
 url = https://meta.grassecon.net
@@ -24,4 +24,4 @@ key_file = /home/will/grassroots/cic-internal-integration/apps/contract-migratio
 passphrase = 
 
 [chain]
-spec = evm:byzantium:5050:bloxberg
\ No newline at end of file
+spec = evm:kitabu:5050:sarafu
\ No newline at end of file