diff --git a/sidecar/pyproject.toml b/sidecar/pyproject.toml
index 5e67812..3c046e5 100644
--- a/sidecar/pyproject.toml
+++ b/sidecar/pyproject.toml
@@ -5,7 +5,7 @@ description = "Zettel invoice PDF generator (WeasyPrint sidecar)"
 requires-python = ">=3.12"
 dependencies = [
     "weasyprint==65.1",
-    "Jinja2==3.1.4",
+    "Jinja2==3.1.6",
     "factur-x==3.4",
 ]
 
diff --git a/sidecar/requirements.txt b/sidecar/requirements.txt
index 73dd517..9891253 100644
--- a/sidecar/requirements.txt
+++ b/sidecar/requirements.txt
@@ -1,5 +1,5 @@
 weasyprint==65.1
-Jinja2==3.1.4
+Jinja2==3.1.6
 factur-x==3.4
 lxml==5.3.0
 pypdf==5.1.0