diff --git a/pyproject.toml b/pyproject.toml
index d08d9d65..9f1018b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ server = [
     "djangorestframework==3.17.1",
     "google-cloud-bigquery==3.40.1",
     "pyyaml==6.0.3",
-    "redis[hiredis]>=5.0.0",
+    "redis[hiredis]>=7.4.0",
     "scikit-learn>=1.3.0",
     "sentence-transformers>=2.2.0",
     "whitenoise==6.11.0",
diff --git a/uv.lock b/uv.lock
index b6cb2042..702c8fc8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1394,11 +1394,11 @@ wheels = [
 
 [[package]]
 name = "redis"
-version = "7.1.1"
+version = "7.4.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/f7/80/2971931d27651affa88a44c0ad7b8c4a19dc29c998abb20b23868d319b59/redis-7.1.1.tar.gz", hash = "sha256:a2814b2bda15b39dad11391cc48edac4697214a8a5a4bd10abe936ab4892eb43", size = 4800064, upload-time = "2026-02-09T18:39:40.292Z" }
+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" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/29/55/1de1d812ba1481fa4b37fb03b4eec0fcb71b6a0d44c04ea3482eb017600f/redis-7.1.1-py3-none-any.whl", hash = "sha256:f77817f16071c2950492c67d40b771fa493eb3fccc630a424a10976dbb794b7a", size = 356057, upload-time = "2026-02-09T18:39:38.602Z" },
+    { 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" },
 ]
 
 [package.optional-dependencies]
@@ -2017,7 +2017,7 @@ requires-dist = [
     { name = "pytest-playwright", marker = "extra == 'dev'", specifier = ">=0.7.0" },
     { name = "python-dateutil" },
     { name = "pyyaml", marker = "extra == 'server'", specifier = "==6.0.3" },
-    { name = "redis", extras = ["hiredis"], marker = "extra == 'server'", specifier = ">=5.0.0" },
+    { name = "redis", extras = ["hiredis"], marker = "extra == 'server'", specifier = ">=7.4.0" },
     { name = "ruff", marker = "extra == 'dev'", specifier = "==0.15.11" },
     { name = "scikit-learn", marker = "extra == 'server'", specifier = ">=1.3.0" },
     { name = "sentence-transformers", marker = "extra == 'server'", specifier = ">=2.2.0" },