diff --git a/requirements.txt b/requirements.txt
index a709f2d..d18be97 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ eth_utils>=1.3.0,<3
 pycryptodome>=3.11.0,<4
 PyNaCl>=1.0.1,<2
 
-scalecodec>=1.0.37,<2
+scalecodec>=1.0.39,<2
 py-sr25519-bindings>=0.1.4,<1
 py-ed25519-bindings>=1.0,<2
 py-bip39-bindings>=0.1.9,<1
diff --git a/setup.py b/setup.py
index 0b5080f..23db37f 100644
--- a/setup.py
+++ b/setup.py
@@ -188,7 +188,7 @@
         'eth_utils>=1.3.0,<3',
         'pycryptodome>=3.11.0,<4',
         'PyNaCl>=1.0.1,<2',
-        'scalecodec>=1.0.37,<2',
+        'scalecodec>=1.0.39,<2',
         'py-sr25519-bindings>=0.1.4,<1',
         'py-ed25519-bindings>=1.0,<2',
         'py-bip39-bindings>=0.1.9,<1'