diff --git a/dev-requirements.txt b/dev-requirements.txt
index 539199d..74ffa53 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -52,7 +52,7 @@ eth-rlp==2.1.0; python_version >= '3.8' and python_version < '4'
 eth-typing==5.0.1; python_version >= '3.8' and python_version < '4'
 eth-utils==5.1.0; python_version >= '3.8' and python_version < '4'
 frozenlist==1.5.0; python_version >= '3.8'
-hexbytes==1.2.1; python_version >= '3.8' and python_version < '4'
+hexbytes==2.0.0; python_version >= '3.8' and python_version < '4'
 idna==3.15; python_version >= '3.6'
 iso8601==2.1.0; python_version >= '3.7' and python_version < '4.0'
 multidict==6.1.0; python_version >= '3.8'
diff --git a/requirements.txt b/requirements.txt
index a9c0409..404c7e2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ eth-rlp==2.1.0; python_version >= '3.8' and python_version < '4'
 eth-typing==5.0.1; python_version >= '3.8' and python_version < '4'
 eth-utils==5.1.0; python_version >= '3.8' and python_version < '4'
 frozenlist==1.5.0; python_version >= '3.8'
-hexbytes==1.2.1; python_version >= '3.8' and python_version < '4'
+hexbytes==2.0.0; python_version >= '3.8' and python_version < '4'
 idna==3.15; python_version >= '3.6'
 iso8601==2.1.0; python_version >= '3.7' and python_version < '4.0'
 multidict==6.1.0; python_version >= '3.8'