diff --git a/pyproject.toml b/pyproject.toml
index 7a96a264a..e733b7b12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ classifiers = [
 dependencies = [
   "azure-ai-documentintelligence>=1.0.2",
   "babel>=2.17",
-  "bleach~=6.3.0",
+  "bleach~=6.4.0",
   "celery[redis]~=5.6.2",
   "channels~=4.2",
   "channels-redis~=4.2",
diff --git a/uv.lock b/uv.lock
index 1f0520aac..c25f34bc0 100644
--- a/uv.lock
+++ b/uv.lock
@@ -310,14 +310,14 @@ wheels = [
 
 [[package]]
 name = "bleach"
-version = "6.3.0"
+version = "6.4.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "webencodings", marker = "sys_platform == 'darwin' or sys_platform == 'linux'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/07/18/3c8523962314be6bf4c8989c79ad9531c825210dd13a8669f6b84336e8bd/bleach-6.3.0.tar.gz", hash = "sha256:6f3b91b1c0a02bb9a78b5a454c92506aa0fdf197e1d5e114d2e00c6f64306d22", size = 203533, upload-time = "2025-10-27T17:57:39.211Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/48/3c/e12ac860709702bd5ebeb9b56a4fe334f1001246ee1b8f2b7ee28912df7d/bleach-6.4.0.tar.gz", hash = "sha256:4202482733d85cedd04e59fcb2f89f4e4c7c385a78d3c3c23c30446843a37452", size = 204857, upload-time = "2026-06-05T13:01:13.734Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/cd/3a/577b549de0cc09d95f11087ee63c739bba856cd3952697eec4c4bb91350a/bleach-6.3.0-py3-none-any.whl", hash = "sha256:fe10ec77c93ddf3d13a73b035abaac7a9f5e436513864ccdad516693213c65d6", size = 164437, upload-time = "2025-10-27T17:57:37.538Z" },
+    { url = "https://files.pythonhosted.org/packages/58/9d/40b6267367182187139a4000b82a3b287d84d745bccd808e75d916920e9d/bleach-6.4.0-py3-none-any.whl", hash = "sha256:4b6b6a54fff2e69a3dde9d21cc6301220bee3c3cb792187d11403fd795031081", size = 165109, upload-time = "2026-06-05T13:01:12.504Z" },
 ]
 
 [[package]]
@@ -3015,7 +3015,7 @@ typing = [
 requires-dist = [
     { name = "azure-ai-documentintelligence", specifier = ">=1.0.2" },
     { name = "babel", specifier = ">=2.17" },
-    { name = "bleach", specifier = "~=6.3.0" },
+    { name = "bleach", specifier = "~=6.4.0" },
     { name = "celery", extras = ["redis"], specifier = "~=5.6.2" },
     { name = "channels", specifier = "~=4.2" },
     { name = "channels-redis", specifier = "~=4.2" },