diff --git a/poetry.lock b/poetry.lock
index ae638ff1..7af77c90 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.5 and should not be changed by hand.
 
 [[package]]
 name = "appdirs"
@@ -671,20 +671,20 @@ files = [
 
 [[package]]
 name = "jinja2"
-version = "2.11.3"
+version = "3.1.5"
 description = "A very fast and expressive template engine."
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=3.7"
 files = [
-    {file = "Jinja2-2.11.3-py2.py3-none-any.whl", hash = "sha256:03e47ad063331dd6a3f04a43eddca8a966a26ba0c5b7207a9a9e4e08f1b29419"},
-    {file = "Jinja2-2.11.3.tar.gz", hash = "sha256:a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6"},
+    {file = "jinja2-3.1.5-py3-none-any.whl", hash = "sha256:aba0f4dc9ed8013c424088f68a5c226f7d6097ed89b246d7749c2ec4175c6adb"},
+    {file = "jinja2-3.1.5.tar.gz", hash = "sha256:8fefff8dc3034e27bb80d67c671eb8a9bc424c0ef4c0826edbff304cceff43bb"},
 ]
 
 [package.dependencies]
-MarkupSafe = ">=0.23"
+MarkupSafe = ">=2.0"
 
 [package.extras]
-i18n = ["Babel (>=0.8)"]
+i18n = ["Babel (>=2.7)"]
 
 [[package]]
 name = "jsonpath-rw"
@@ -1731,4 +1731,4 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "8280e4cbe83c68f79a4f31e2adcb540d193a70f36ffdc177e2f1f94c1228f306"
+content-hash = "b8dbce47ab1cea127bcd1369d5224e238c244e857f81e0d7c03bb58206aacfbb"
diff --git a/pyproject.toml b/pyproject.toml
index d90190dd..80cdbc1d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,7 @@ pytest-nhsd-apim = "^3.3.9"
 flake8 = "^3.7.9"
 black = "^19.10b0"
 pip-licenses = "^3.5.3"
-jinja2 = "^2.11.2"
+jinja2 = "^3.1.5"
 locust = "^1.4.1"