diff --git a/setup.py b/setup.py
index fe6ce86..96282de 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
         "crcmod >= 1.7",
         "pycryptodome >= 3.15.0",
         "pyserial >= 3.0.1",
-        "siphash24 >= 1.3",
+        "siphash >= 0.0.1",
         "toml >= 0.10.2",
         "tqdm >= 4.45.0 ",
         "questionary >= 1.10.0",
diff --git a/tockloader/tickv.py b/tockloader/tickv.py
index ecd2d6b..ea0ed3c 100644
--- a/tockloader/tickv.py
+++ b/tockloader/tickv.py
@@ -10,7 +10,7 @@
 import textwrap
 
 import crcmod
-import siphash24
+import siphash
 
 from .exceptions import TockLoaderException
 
@@ -646,9 +646,7 @@ def _hash_key(self, key):
         Compute the SipHash24 for the given key.
         """
         key_buffer = key.encode("utf-8")
-        h = siphash24.siphash24()
-        h.update(data=key_buffer)
-        return h.digest()
+        return siphash.SipHash_2_4(bytearray(16), key_buffer).digest()
 
     def _hash_key_int(self, key):
         """