diff --git a/Scarb.lock b/Scarb.lock
index 3a5469e5..4cfb6bba 100644
--- a/Scarb.lock
+++ b/Scarb.lock
@@ -20,12 +20,12 @@ dependencies = [
 [[package]]
 name = "ripemd160"
 version = "0.1.0"
-source = "git+https://github.com/j1mbo64/ripemd160_cairo.git#b56e8f3135f2e30bcf3e035a72b7bc4d0f4a9e45"
+source = "git+https://github.com/j1mbo64/ripemd160_cairo.git#833e07d7d074d4ee51ceb40a5bcb4af2fe6898f3"
 
 [[package]]
 name = "sha1"
 version = "0.1.0"
-source = "git+https://github.com/j1mbo64/sha1_cairo.git#280b4c64ae457fdc4bd7cd807efd17e8dced654e"
+source = "git+https://github.com/j1mbo64/sha1_cairo.git#2b65bc00a829bdcc244c140d0f31feda32f8d2c4"
 
 [[package]]
 name = "shinigami_compiler"
diff --git a/scripts/data/client.py b/scripts/data/client.py
old mode 100644
new mode 100755
index d2c40a88..8d9b251a
--- a/scripts/data/client.py
+++ b/scripts/data/client.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 from dataclasses import dataclass
 import json
 import re
diff --git a/scripts/data/format_args.py b/scripts/data/format_args.py
index bfc77a76..05ace152 100644
--- a/scripts/data/format_args.py
+++ b/scripts/data/format_args.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import argparse
 import json
diff --git a/scripts/data/generate_data.py b/scripts/data/generate_data.py
index dd0300a5..69dc1629 100755
--- a/scripts/data/generate_data.py
+++ b/scripts/data/generate_data.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import argparse
 import json
diff --git a/scripts/data/generate_timestamp_data.py b/scripts/data/generate_timestamp_data.py
index 506987aa..5615fd8a 100644
--- a/scripts/data/generate_timestamp_data.py
+++ b/scripts/data/generate_timestamp_data.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import json
 import os
diff --git a/scripts/data/generate_utreexo_data.py b/scripts/data/generate_utreexo_data.py
index fcb398c5..8ddfb64a 100644
--- a/scripts/data/generate_utreexo_data.py
+++ b/scripts/data/generate_utreexo_data.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import typing as t
 from collections import OrderedDict
 from utreexo import Utreexo
diff --git a/scripts/data/generate_utxo_data.py b/scripts/data/generate_utxo_data.py
index bcc18e3d..1a8f676a 100644
--- a/scripts/data/generate_utxo_data.py
+++ b/scripts/data/generate_utxo_data.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys