diff --git a/Cargo.lock b/Cargo.lock
index 35f9ceb..ea5792a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "ahash"
-version = "0.7.2"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f200cbb1e856866d9eade941cf3aa0c5d7dd36f74311c4273b494f4ef036957"
+checksum = "43bb833f0bf979d8475d38fbf09ed3b8a55e1885fe93ad3f93239fc6a4f17b98"
 dependencies = [
  "getrandom",
  "once_cell",
@@ -99,9 +99,9 @@ checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
 
 [[package]]
 name = "cc"
-version = "1.0.67"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3c69b077ad434294d3ce9f1f6143a2a4b89a8a2d54ef813d85003a4fd1137fd"
+checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
 
 [[package]]
 name = "cexpr"
@@ -417,9 +417,9 @@ checksum = "f3a87b616e37e93c22fb19bcd386f02f3af5ea98a25670ad0fce773de23c5e68"
 
 [[package]]
 name = "httpdate"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05842d0d43232b23ccb7060ecb0f0626922c21f30012e97b767b30afd4a5d4b9"
+checksum = "6456b8a6c8f33fee7d958fcd1b60d55b11940a79e63ae87013e6d22e26034440"
 
 [[package]]
 name = "humantime"
@@ -432,9 +432,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.14.7"
+version = "0.14.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e5f105c494081baa3bf9e200b279e27ec1623895cd504c7dbef8d0b080fcf54"
+checksum = "d3f71a7eea53a3f8257a7b4795373ff886397178cd634430ea94e12d7fe4fe34"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -510,9 +510,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.94"
+version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18794a8ad5b29321f790b55d93dfba91e125cb1a9edbd4f8e3150acc771c1a5e"
+checksum = "789da6d93f1b866ffe175afc5322a4d76c038605a1c3319bb57b06967ca98a36"
 
 [[package]]
 name = "libsqlite3-sys"
@@ -1070,18 +1070,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.24"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0f4a65597094d4483ddaed134f409b2cb7c1beccf25201a9f73c719254fa98e"
+checksum = "fa6f76457f59514c7eeb4e59d891395fab0b2fd1d40723ae737d64153392e9c6"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.24"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
+checksum = "8a36768c0fbf1bb15eca10defa29526bda730a2376c2ab4393ccfa16fb1a318d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1105,9 +1105,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd3076b5c8cc18138b8f8814895c11eb4de37114a5d127bafdc5e55798ceef37"
+checksum = "0a38d31d7831c6ed7aad00aa4c12d9375fd225a6dd77da1d25b707346319a975"
 dependencies = [
  "autocfg",
  "libc",
@@ -1186,9 +1186,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07fbfce1c8a97d547e8b5334978438d9d6ec8c20e38f56d4a4374d181493eaef"
+checksum = "33717dca7ac877f497014e10d73f3acf948c342bee31b5ca7892faf94ccc6b49"
 dependencies = [
  "tinyvec",
 ]
@@ -1246,9 +1246,9 @@ dependencies = [
 
 [[package]]
 name = "vcpkg"
-version = "0.2.12"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbdbff6266a24120518560b5dc983096efb98462e51d0d68169895b237be3e5d"
+checksum = "025ce40a007e1907e58d5bc1a594def78e5573bb0b1160bc389634e8f12e4faa"
 
 [[package]]
 name = "vec_map"
diff --git a/client/src/main.rs b/client/src/main.rs
index d4b7dd7..b31fbf6 100644
--- a/client/src/main.rs
+++ b/client/src/main.rs
@@ -647,7 +647,7 @@ fn rename_peer(interface: &InterfaceName, opts: RenamePeerOpts) -> Result<(), Er
             .filter(|p| p.name == old_name)
             .map(|p| p.id)
             .next()
-            .ok_or_else(|| "Peer not found.")?;
+            .ok_or("Peer not found.")?;
 
         let _ = api.http_form("PUT", &format!("/admin/peers/{}", id), peer_request)?;
         log::info!("Peer renamed.");
diff --git a/server/src/main.rs b/server/src/main.rs
index 9966c32..456f3be 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -336,7 +336,7 @@ fn rename_peer(
         let mut db_peer = DatabasePeer::list(&conn)?
             .into_iter()
             .find(|p| p.name == old_name)
-            .ok_or_else(|| "Peer not found.")?;
+            .ok_or( "Peer not found.")?;
         let _peer = db_peer.update(&conn, peer_request)?;
     } else {
         println!("exited without creating peer.");