diff --git a/poetry.lock b/poetry.lock
index d757e6a0..90be6b04 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1396,8 +1396,8 @@ ruff = ">=0.1.2,<1"
 [package.source]
 type = "git"
 url = "https://github.com/Japan7/mahou.py.git"
-reference = "7d4470efe1d4ced4450e3cc91caa171025bac51a"
-resolved_reference = "7d4470efe1d4ced4450e3cc91caa171025bac51a"
+reference = "6fcbaededfe3e58ad798db6f47efd5ffdd300973"
+resolved_reference = "6fcbaededfe3e58ad798db6f47efd5ffdd300973"
 
 [[package]]
 name = "markdown-it-py"
@@ -2963,4 +2963,4 @@ secretstorage = ["cffi", "secretstorage"]
 [metadata]
 lock-version = "2.0"
 python-versions = "~3.12"
-content-hash = "835a339ab11ae64d774f7c5b62cdb88f1dbff6127f73e0a50ca7db75f69c8bef"
+content-hash = "414c794fe4774837bfb33a579ae4e9df53e2f9ce6d356bb4be67a663b4e64383"
diff --git a/pyproject.toml b/pyproject.toml
index d8849851..cf36d1e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ ollama = "0.1.9"
 [tool.poetry.group.dev.dependencies]
 pyright = "1.1.361"
 ruff = "0.4.2"
-mahou = { git = "https://github.com/Japan7/mahou.py.git", rev = "7d4470efe1d4ced4450e3cc91caa171025bac51a" }
+mahou = { git = "https://github.com/Japan7/mahou.py.git", rev = "6fcbaededfe3e58ad798db6f47efd5ffdd300973" }
 requests = "2.31.0"
 # FIXME: https://pypi.org/project/types-redis/#description
 # Note: Redis-py 5.0.0 added a py.typed file, but the inline annotations are incomplete.