diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 69eae517..180ab86f 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "pytest>=9.1.0",
     "pytest-asyncio>=1.4.0",
     "python-dotenv>=1.1.1",
-    "redis>=6.4.0",
+    "redis>=8.0.0",
     "starlette>=1.2.1",
     "streamlit>=1.58.0",
     "stripe>=13.0.1",
diff --git a/backend/uv.lock b/backend/uv.lock
index b33ace1a..ae69cb7c 100644
--- a/backend/uv.lock
+++ b/backend/uv.lock
@@ -170,7 +170,7 @@ requires-dist = [
     { name = "pytest", specifier = ">=9.1.0" },
     { name = "pytest-asyncio", specifier = ">=1.4.0" },
     { name = "python-dotenv", specifier = ">=1.1.1" },
-    { name = "redis", specifier = ">=6.4.0" },
+    { name = "redis", specifier = ">=8.0.0" },
     { name = "starlette", specifier = ">=1.2.1" },
     { name = "streamlit", specifier = ">=1.58.0" },
     { name = "stripe", specifier = ">=13.0.1" },
@@ -1852,11 +1852,11 @@ wheels = [
 
 [[package]]
 name = "redis"
-version = "7.4.0"
+version = "8.0.0"
 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/53/ae/ed461cca5780b5fc8b9fe8ca0ed98d89508645fb9d880c24cc42c087678f/redis-8.0.0.tar.gz", hash = "sha256:a00c5355432051ac14e593b8b197fc76c887ee12d55a0984f69328a1115fdc49", size = 5101591, upload-time = "2026-05-28T12:45:13.5Z" }
 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/27/e3/b519734372d305bd547534a9f32e4ce9f98552af753dce72cf3483a0ff0b/redis-8.0.0-py3-none-any.whl", hash = "sha256:c938c18338585009f0bc310f4c7e4e4b4d37639356c4ac072cedf3af570c8dc7", size = 499870, upload-time = "2026-05-28T12:45:11.697Z" },
 ]
 
 [[package]]