diff --git a/Cargo.lock b/Cargo.lock
index 2a098e2..1e486aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -116,9 +116,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.21.7"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "base64"
@@ -1080,11 +1080,12 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
 [[package]]
 name = "rustls"
-version = "0.22.4"
+version = "0.23.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf4ef73721ac7bcd79b2b315da7779d8fc09718c6b3d2d1b2d94850eb8c18432"
+checksum = "f2dabaac7466917e566adb06783a81ca48944c6898a1b08b9374106dd671f4c8"
 dependencies = [
  "log",
+ "once_cell",
  "ring",
  "rustls-pki-types",
  "rustls-webpki",
@@ -1472,9 +1473,9 @@ checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
 [[package]]
 name = "ureq"
-version = "2.9.6"
+version = "2.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11f214ce18d8b2cbe84ed3aa6486ed3f5b285cf8d8fbdbce9f3f767a724adc35"
+checksum = "b74fc6b57825be3373f7054754755f03ac3a8f5d70015ccad699ba2029956f4a"
 dependencies = [
  "base64 0.21.7",
  "flate2",
@@ -1482,7 +1483,6 @@ dependencies = [
  "once_cell",
  "rustls 0.22.4",
  "rustls-pki-types",
- "rustls-webpki",
  "serde",
  "serde_json",
  "url",
diff --git a/src/mensa.rs b/src/mensa.rs
index 46a51e8..e89e907 100644
--- a/src/mensa.rs
+++ b/src/mensa.rs
@@ -10,6 +10,7 @@ pub enum MensaName {
     PrinzKarl,
 }
 
+#[allow(dead_code)]
 pub trait Mealplan {
     fn id(&self) -> &str;
     fn name(&self) -> &str;