diff --git a/pyproject.toml b/pyproject.toml
index cd3b39b..90500dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ build-backend = "setuptools.build_meta"
 name = "openassetio-traitgen"
 version = "1.0.0a10"
 requires-python = ">=3.10"
-dependencies = ["jinja2==3.1.4", "pyyaml==6.0.0", "jsonschema==4.7.2"]
+dependencies = ["jinja2==3.1.5", "pyyaml==6.0.0", "jsonschema==4.7.2"]
 
 authors = [
     { name = "Contributors to the OpenAssetIO project", email = "openassetio-discussion@lists.aswf.io" }
diff --git a/requirements.txt b/requirements.txt
index 0584113..5fa9271 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 # Requirements for openassetio-traitgen de-coupled from setup.py.
 # This allows them to be collected/installed prior to build if
 # required.
-jinja2==3.1.4
+jinja2==3.1.5
 pyyaml==6.0.0  # We are currently constrained to pyyaml=6.0.0 exactly due to conan 1.60.1
 jsonschema==4.7.2