diff --git a/changelogs/unreleased/906-dark64 b/changelogs/unreleased/906-dark64
new file mode 100644
index 00000000..44f1b858
--- /dev/null
+++ b/changelogs/unreleased/906-dark64
@@ -0,0 +1 @@
+Change endianness in keccak, sha3 and blake2s hash algorithms to big endian
\ No newline at end of file