diff --git a/.github/workflows/format-code.yml b/.github/workflows/format-code.yml
index 844afa7..72ae708 100644
--- a/.github/workflows/format-code.yml
+++ b/.github/workflows/format-code.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   format-code:
     runs-on: "ubuntu-latest"
-    container: rust:1.72.0
+    container: rust:1.74
 
     steps:
       - name: Checkout the code on merge
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 23e9535..9784d00 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   lint:
     runs-on: "ubuntu-latest"
-    container: rust:1.72.0
+    container: rust:1.74
 
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 52b0b9d..d070e22 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         features: ["", "--no-default-features --features rustls-native"]
     runs-on: "ubuntu-latest"
-    container: rust:1.72.0
+    container: rust:1.74
 
     steps:
       - uses: actions/checkout@v2
@@ -26,7 +26,7 @@ jobs:
       matrix:
         features: ["", "--no-default-features --features rustls-native"]
     runs-on: "ubuntu-latest"
-    container: rust:1.72.0
+    container: rust:1.74
     services:
       consul:
         image: consul:1.11.11
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0a59b4b..70f2e84 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -6,7 +6,7 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
-    container: rust:1.72.0
+    container: rust:1.74
     services:
       consul:
         image: consul:1.11.11
@@ -25,7 +25,7 @@ jobs:
 
   dry-run:
     runs-on: ubuntu-latest
-    container: rust:1.72.0
+    container: rust:1.74
 
     steps:
       - uses: actions/checkout@v2
@@ -36,7 +36,7 @@ jobs:
   publish:
     needs: [test, dry-run]
     runs-on: ubuntu-latest
-    container: rust:1.72.0
+    container: rust:1.74
     environment: crates-publish
 
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40f5670..e5900ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,20 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Unreleased
 
+## 0.5.0 - 2023-11-20
+
+### Added
+
+- Added support for `deregister-entity`.
+
+### Changed
+
+- `opentelemetry` updated to version `0.21` from `0.20`.
+
+### Changed
+
+- `opentelemetry` updated to version `0.20` from `0.19`.
+
 ## 0.4.0 - 2023-08-25
 
 ### Changed
diff --git a/Cargo.toml b/Cargo.toml
index 89322cb..071debc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ http = "0.2"
 hyper = { version = "0.14", features = ["full"] }
 hyper-rustls = { version = "0.24" }
 lazy_static = { version = "1", optional = true }
-opentelemetry = { version = "0.20", features = ["rt-tokio"], optional = true }
+opentelemetry = { version = "0.21", optional = true }
 prometheus = { version = "0.13", optional = true }
 quick-error = "2"
 serde = { version = "1.0", features = ["derive"] }
diff --git a/rust-toolchain b/rust-toolchain
index 62bafdd..66acda6 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-1.72
\ No newline at end of file
+1.74
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 3514fff..343bd64 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -237,6 +237,8 @@ fn https_connector() -> hyper_rustls::HttpsConnector<HttpConnector> {
         .https_or_http()
         .enable_http1()
         .build();
+    #[allow(unreachable_code)]
+    // Clippy doesn't realize if the feature is disabled, this code would execute.
     hyper_rustls::HttpsConnectorBuilder::new()
         .with_native_roots()
         .https_or_http()
@@ -1069,20 +1071,19 @@ mod tests {
             lock_delay: std::time::Duration::from_secs(0),
             ..Default::default()
         };
-        let start_index: u64;
         let res = consul.get_lock(req, string_value.as_bytes()).await;
         assert!(res.is_ok());
         let lock = res.unwrap();
         let res2 = consul.get_lock(req, string_value.as_bytes()).await;
         assert!(res2.is_err());
         let err = res2.unwrap_err();
-        match err {
-            ConsulError::LockAcquisitionFailure(index) => start_index = index,
+        let start_index = match err {
+            ConsulError::LockAcquisitionFailure(index) => index,
             _ => panic!(
                 "Expected ConsulError::LockAcquisitionFailure, got {:#?}",
                 err
             ),
-        }
+        };
 
         assert!(start_index > 0);
         let watch_req = LockWatchRequest {