diff --git a/poetry.lock b/poetry.lock
index 65721444bf7..f84adce814c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2615,14 +2615,14 @@ mkdocs = ">=0.17"
 
 [[package]]
 name = "mkdocs-llmstxt"
-version = "0.3.2"
+version = "0.4.0"
 description = "MkDocs plugin to generate an /llms.txt file."
 optional = false
 python-versions = ">=3.9"
 groups = ["dev"]
 files = [
-    {file = "mkdocs_llmstxt-0.3.2-py3-none-any.whl", hash = "sha256:fb363205d6f1452411dc5069f62012cb6b29e1788f6db9cc17793bdca7eabea8"},
-    {file = "mkdocs_llmstxt-0.3.2.tar.gz", hash = "sha256:dd63acb8257fca3244058fd820acd4700c1626dbe48ad3a1a2cc9c599f8e4b7f"},
+    {file = "mkdocs_llmstxt-0.4.0-py3-none-any.whl", hash = "sha256:7244bf0ac917c9964030c93e9c3e26c02d2d14a0f66fc113416007125b6da0fc"},
+    {file = "mkdocs_llmstxt-0.4.0.tar.gz", hash = "sha256:a7e4d20496bc8c55b6773b55c8d69cf552448a9ad38915b6e8c657ae3a46c8b8"},
 ]
 
 [package.dependencies]
@@ -5002,4 +5002,4 @@ valkey = ["valkey-glide"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.9,<4.0.0"
-content-hash = "cf0ce61a5a65549e2a85cfa8d57e3993b2b8c215361822050640611579fc0c4f"
+content-hash = "c2048b125f33b5005fb32c2f22f779ea640e62490806e0d6b7d968aa2ad96eb2"
diff --git a/pyproject.toml b/pyproject.toml
index 4384306bfc4..6c09cfa91a9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -129,7 +129,7 @@ boto3-stubs = {extras = ["appconfig", "appconfigdata", "cloudformation", "cloudw
 nox = "^2024.4.15"
 mkdocstrings-python = "^1.13.0"
 datadog-lambda = "^6.106.0"
-mkdocs-llmstxt = ">=0.2,<0.4"
+mkdocs-llmstxt = ">=0.2,<0.5"
 avro = "^1.12.0"
 protobuf = "^6.30.2"
 types-protobuf = "^6.30.2.20250516"