diff --git a/pyproject.toml b/pyproject.toml
index 88c540b..c84f539 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,6 +8,7 @@ dependencies = [
     "bs4>=0.0.2",
     "flask>=3.1.0",
     "gunicorn>=23.0.0",
+    "jinja2>=3.1.6",
     "mistune>=3.1.1",
     "pillow>=10.4.0",
     "python-frontmatter>=1.1.0",
diff --git a/requirements.txt b/requirements.txt
index d9ff820..5799e18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,8 +16,10 @@ gunicorn==23.0.0
     # via foldsite (pyproject.toml)
 itsdangerous==2.2.0
     # via flask
-jinja2==3.1.5
-    # via flask
+jinja2==3.1.6
+    # via
+    #   foldsite (pyproject.toml)
+    #   flask
 markdown-it-py==3.0.0
     # via rich
 markupsafe==3.0.2
diff --git a/uv.lock b/uv.lock
index 552da2c..68e376b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -81,6 +81,7 @@ dependencies = [
     { name = "bs4" },
     { name = "flask" },
     { name = "gunicorn" },
+    { name = "jinja2" },
     { name = "mistune" },
     { name = "pillow" },
     { name = "python-frontmatter" },
@@ -94,6 +95,7 @@ requires-dist = [
     { name = "bs4", specifier = ">=0.0.2" },
     { name = "flask", specifier = ">=3.1.0" },
     { name = "gunicorn", specifier = ">=23.0.0" },
+    { name = "jinja2", specifier = ">=3.1.6" },
     { name = "mistune", specifier = ">=3.1.1" },
     { name = "pillow", specifier = ">=10.4.0" },
     { name = "python-frontmatter", specifier = ">=1.1.0" },
@@ -125,14 +127,14 @@ wheels = [
 
 [[package]]
 name = "jinja2"
-version = "3.1.5"
+version = "3.1.6"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "markupsafe" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/af/92/b3130cbbf5591acf9ade8708c365f3238046ac7cb8ccba6e81abccb0ccff/jinja2-3.1.5.tar.gz", hash = "sha256:8fefff8dc3034e27bb80d67c671eb8a9bc424c0ef4c0826edbff304cceff43bb", size = 244674 }
+sdist = { url = "https://files.pythonhosted.org/packages/df/bf/f7da0350254c0ed7c72f3e33cef02e048281fec7ecec5f032d4aac52226b/jinja2-3.1.6.tar.gz", hash = "sha256:0137fb05990d35f1275a587e9aee6d56da821fc83491a0fb838183be43f66d6d", size = 245115 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/bd/0f/2ba5fbcd631e3e88689309dbe978c5769e883e4b84ebfe7da30b43275c5a/jinja2-3.1.5-py3-none-any.whl", hash = "sha256:aba0f4dc9ed8013c424088f68a5c226f7d6097ed89b246d7749c2ec4175c6adb", size = 134596 },
+    { url = "https://files.pythonhosted.org/packages/62/a1/3d680cbfd5f4b8f15abc1d571870c5fc3e594bb582bc3b64ea099db13e56/jinja2-3.1.6-py3-none-any.whl", hash = "sha256:85ece4451f492d0c13c5dd7c13a64681a86afae63a5f347908daf103ce6d2f67", size = 134899 },
 ]
 
 [[package]]
@@ -186,11 +188,11 @@ wheels = [
 
 [[package]]
 name = "mistune"
-version = "3.1.1"
+version = "3.1.2"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/c6/1d/6b2b634e43bacc3239006e61800676aa6c41ac1836b2c57497ed27a7310b/mistune-3.1.1.tar.gz", hash = "sha256:e0740d635f515119f7d1feb6f9b192ee60f0cc649f80a8f944f905706a21654c", size = 94645 }
+sdist = { url = "https://files.pythonhosted.org/packages/80/f7/f6d06304c61c2a73213c0a4815280f70d985429cda26272f490e42119c1a/mistune-3.1.2.tar.gz", hash = "sha256:733bf018ba007e8b5f2d3a9eb624034f6ee26c4ea769a98ec533ee111d504dff", size = 94613 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/c6/02/c66bdfdadbb021adb642ca4e8a5ed32ada0b4a3e4b39c5d076d19543452f/mistune-3.1.1-py3-none-any.whl", hash = "sha256:02106ac2aa4f66e769debbfa028509a275069dcffce0dfa578edd7b991ee700a", size = 53696 },
+    { url = "https://files.pythonhosted.org/packages/12/92/30b4e54c4d7c48c06db61595cffbbf4f19588ea177896f9b78f0fbe021fd/mistune-3.1.2-py3-none-any.whl", hash = "sha256:4b47731332315cdca99e0ded46fc0004001c1299ff773dfb48fbe1fd226de319", size = 53696 },
 ]
 
 [[package]]
@@ -305,7 +307,7 @@ wheels = [
 
 [[package]]
 name = "typer"
-version = "0.15.1"
+version = "0.15.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "click" },
@@ -313,9 +315,9 @@ dependencies = [
     { name = "shellingham" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/cb/ce/dca7b219718afd37a0068f4f2530a727c2b74a8b6e8e0c0080a4c0de4fcd/typer-0.15.1.tar.gz", hash = "sha256:a0588c0a7fa68a1978a069818657778f86abe6ff5ea6abf472f940a08bfe4f0a", size = 99789 }
+sdist = { url = "https://files.pythonhosted.org/packages/8b/6f/3991f0f1c7fcb2df31aef28e0594d8d54b05393a0e4e34c65e475c2a5d41/typer-0.15.2.tar.gz", hash = "sha256:ab2fab47533a813c49fe1f16b1a370fd5819099c00b119e0633df65f22144ba5", size = 100711 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/d0/cc/0a838ba5ca64dc832aa43f727bd586309846b0ffb2ce52422543e6075e8a/typer-0.15.1-py3-none-any.whl", hash = "sha256:7994fb7b8155b64d3402518560648446072864beefd44aa2dc36972a5972e847", size = 44908 },
+    { url = "https://files.pythonhosted.org/packages/7f/fc/5b29fea8cee020515ca82cc68e3b8e1e34bb19a3535ad854cac9257b414c/typer-0.15.2-py3-none-any.whl", hash = "sha256:46a499c6107d645a9c13f7ee46c5d5096cae6f5fc57dd11eccbbb9ae3e44ddfc", size = 45061 },
 ]
 
 [[package]]