diff --git a/pyproject.toml b/pyproject.toml
index f67680bd..8984bee3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 dependencies = [
     "art>=6",
     "colorama>=0.4",
-    "hexbytes>=0.2.3,<0.4.0",
+    "hexbytes>=1.2.1,<1.3.0",
     "prompt_toolkit>=3",
     "pygments>=2",
     "requests>=2",
diff --git a/requirements.txt b/requirements.txt
index 617a1565..203e1a9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 art==6.2
 colorama==0.4.6
-hexbytes==0.3.1
+hexbytes==1.2.1
 ledgereth==0.9.1
 packaging>=23.1
 prompt_toolkit==3.0.47