diff --git a/api/pyproject.toml b/api/pyproject.toml
index 53ed892729..74a2272ae5 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
     "psycogreen>=1.0.2,<2.0.0",
     "psycopg2-binary>=2.9.12,<3.0.0",
     "python-socketio>=5.13.0,<6.0.0",
-    "redis[hiredis]>=7.4.0,<8.0.0",
+    "redis[hiredis]>=8.1.0,<9.0.0",
     "sendgrid>=6.12.5,<7.0.0",
     "sseclient-py>=1.8.0,<2.0.0",
     # Stable: production-proven, cap below the next major
diff --git a/api/uv.lock b/api/uv.lock
index 125cfca452..e487283098 100644
--- a/api/uv.lock
+++ b/api/uv.lock
@@ -1654,7 +1654,7 @@ requires-dist = [
     { name = "psycopg2-binary", specifier = ">=2.9.12,<3.0.0" },
     { name = "python-socketio", specifier = ">=5.13.0,<6.0.0" },
     { name = "readabilipy", specifier = "==0.3.0" },
-    { name = "redis", extras = ["hiredis"], specifier = ">=7.4.0,<8.0.0" },
+    { name = "redis", extras = ["hiredis"], specifier = ">=8.1.0,<9.0.0" },
     { name = "resend", specifier = ">=2.27.0,<3.0.0" },
     { name = "sendgrid", specifier = ">=6.12.5,<7.0.0" },
     { name = "sseclient-py", specifier = ">=1.8.0,<2.0.0" },
@@ -5807,11 +5807,11 @@ wheels = [
 
 [[package]]
 name = "redis"
-version = "7.4.0"
+version = "8.1.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/7b/7f/3759b1d0d72b7c92f0d70ffd9dc962b7b7b5ee74e135f9d7d8ab06b8a318/redis-7.4.0.tar.gz", hash = "sha256:64a6ea7bf567ad43c964d2c30d82853f8df927c5c9017766c55a1d1ed95d18ad", size = 4943913, upload-time = "2026-03-24T09:14:37.53Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/a8/99/604f0b666d4c616d891cf77ebb9db6bb21601344c051aebf1b72b9ff915f/redis-8.1.0.tar.gz", hash = "sha256:6e1a19beef9225c83efd689c7e6b7da2d5215b1f42cd13b7fc3714d0a09c7b25", size = 5254356, upload-time = "2026-07-30T08:51:00.269Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/74/3a/95deec7db1eb53979973ebd156f3369a72732208d1391cd2e5d127062a32/redis-7.4.0-py3-none-any.whl", hash = "sha256:a9c74a5c893a5ef8455a5adb793a31bb70feb821c86eccb62eebef5a19c429ec", size = 409772, upload-time = "2026-03-24T09:14:35.968Z" },
+    { url = "https://files.pythonhosted.org/packages/66/9d/c5731f6e3608663d4d3656fd8d3aecee8b509c3082818f5a13eae925baea/redis-8.1.0-py3-none-any.whl", hash = "sha256:a4fe1aac3d3b3cc791d4b3d5931c5a956045dc951ee74d1c913ee3ac4d2ee9fb", size = 560618, upload-time = "2026-07-30T08:50:58.497Z" },
 ]
 
 [package.optional-dependencies]