diff --git a/pyproject.toml b/pyproject.toml
index e157db9c68..d5693af7d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
  "gitpython==3.1.44",
  "pandas==2.2.3",
  "matplotlib==3.10.0",
- "openai==1.59.4",
+ "openai==1.59.5",
  "discord.py==2.4.0",
  "misskey.py==4.1.0",
  "websockets==14.1",
diff --git a/uv.lock b/uv.lock
index b0bbe76662..3eac71a109 100644
--- a/uv.lock
+++ b/uv.lock
@@ -517,7 +517,7 @@ requires-dist = [
     { name = "matplotlib", specifier = "==3.10.0" },
     { name = "misskey-py", specifier = "==4.1.0" },
     { name = "numpy", specifier = "==2.2.1" },
-    { name = "openai", specifier = "==1.59.4" },
+    { name = "openai", specifier = "==1.59.5" },
     { name = "opencv-python", specifier = "==4.10.0.84" },
     { name = "pandas", specifier = "==2.2.3" },
     { name = "pillow", specifier = ">=7.1.2" },
@@ -873,7 +873,7 @@ wheels = [
 
 [[package]]
 name = "openai"
-version = "1.59.4"
+version = "1.59.5"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "anyio" },
@@ -885,9 +885,9 @@ dependencies = [
     { name = "tqdm" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/38/db/0e1376bdee3de8c16d91647d47dc47a26d2d6036931c76844e7d3e3fb989/openai-1.59.4.tar.gz", hash = "sha256:b946dc5a2308dc1e03efbda80bf1cd64b6053b536851ad519f57ee44401663d2", size = 344405 }
+sdist = { url = "https://files.pythonhosted.org/packages/7c/b3/a99ff4f8034383147f853200ff5f6df63a8407a0061d6b3ff47914b94f4c/openai-1.59.5.tar.gz", hash = "sha256:9886e77c02dad9dc6a7b67a11ab372a56842a9b5d376aa476672175ab10e83a0", size = 344773 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/99/01/1eefc235bb79174826b2fa0cad05bc2eab90eae97bf78c765887d7430e46/openai-1.59.4-py3-none-any.whl", hash = "sha256:82113498699998e98104f87c19a890e82df9b01251a0395484360575d3a1d98a", size = 454810 },
+    { url = "https://files.pythonhosted.org/packages/4b/a2/a64f495c016234ca4269005b19eb9193a925dcad01af95eb8fea3de4ee9c/openai-1.59.5-py3-none-any.whl", hash = "sha256:e646b44856b0dda9345d3c43639e056334d792d1690e99690313c0ef7ca4d8cc", size = 454815 },
 ]
 
 [[package]]