diff --git a/poetry.lock b/poetry.lock
index 6cb593a..6d823c0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "astroid"
@@ -304,18 +304,18 @@ testing-integration = ["build[virtualenv] (>=1.0.3)", "filelock (>=3.4.0)", "jar
 
 [[package]]
 name = "structlog"
-version = "23.2.0"
+version = "24.4.0"
 description = "Structured Logging for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "structlog-23.2.0-py3-none-any.whl", hash = "sha256:16a167e87b9fa7fae9a972d5d12805ef90e04857a93eba479d4be3801a6a1482"},
-    {file = "structlog-23.2.0.tar.gz", hash = "sha256:334666b94707f89dbc4c81a22a8ccd34449f0201d5b1ee097a030b577fa8c858"},
+    {file = "structlog-24.4.0-py3-none-any.whl", hash = "sha256:597f61e80a91cc0749a9fd2a098ed76715a1c8a01f73e336b746504d1aad7610"},
+    {file = "structlog-24.4.0.tar.gz", hash = "sha256:b27bfecede327a6d2da5fbc96bd859f114ecc398a6389d664f62085ee7ae6fc4"},
 ]
 
 [package.extras]
-dev = ["structlog[tests,typing]"]
-docs = ["furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-mermaid", "twisted"]
+dev = ["freezegun (>=0.2.8)", "mypy (>=1.4)", "pretend", "pytest (>=6.0)", "pytest-asyncio (>=0.17)", "rich", "simplejson", "twisted"]
+docs = ["cogapp", "furo", "myst-parser", "sphinx", "sphinx-notfound-page", "sphinxcontrib-mermaid", "sphinxext-opengraph", "twisted"]
 tests = ["freezegun (>=0.2.8)", "pretend", "pytest (>=6.0)", "pytest-asyncio (>=0.17)", "simplejson"]
 typing = ["mypy (>=1.4)", "rich", "twisted"]
 
@@ -355,4 +355,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "6f9060c60bffe3fd7d8c71466c096d003f91a1b5ebb3f6af0908e06984351ee9"
+content-hash = "9d6980b9434651c793e1799d8efdbfef42b86a770a931362c58474746616a0b2"
diff --git a/pyproject.toml b/pyproject.toml
index 3e4d667..58a4b30 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ keywords = ["LINZ", "logging"]
 
 [tool.poetry.dependencies]
 python = "^3.8"
-structlog = "^23.2.0"
+structlog = ">=23.2,<25.0"
 python-ulid = "^1.1.0"
 
 [tool.poetry.group.dev.dependencies]