diff --git a/.github/workflows/general.yml b/.github/workflows/general.yml
index 282ab30e6..f128ed3a4 100644
--- a/.github/workflows/general.yml
+++ b/.github/workflows/general.yml
@@ -52,6 +52,7 @@ jobs:
           - opentelemetry_0_14
           - opentelemetry_0_15
           - opentelemetry_0_16
+          - opentelemetry_0_17
     steps:
       - uses: actions/checkout@v2
       - name: Cache dependencies
@@ -101,4 +102,4 @@ jobs:
       - uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
-          args: -- -D warnings
\ No newline at end of file
+          args: -- -D warnings
diff --git a/Cargo.toml b/Cargo.toml
index ace85fe92..7f0ba0c6a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = [".", "examples/opentelemetry", "examples/custom-root-span"]
 
 [package]
 name = "tracing-actix-web"
-version = "0.5.0-rc.1"
+version = "0.5.0-rc.2"
 authors = ["Luca Palmieri <rust@lpalmieri.com>"]
 edition = "2018"
 
@@ -24,10 +24,11 @@ opentelemetry_0_13 = ["opentelemetry_0_13_pkg", "tracing-opentelemetry_0_12_pkg"
 opentelemetry_0_14 = ["opentelemetry_0_14_pkg", "tracing-opentelemetry_0_13_pkg"]
 opentelemetry_0_15 = ["opentelemetry_0_15_pkg", "tracing-opentelemetry_0_14_pkg"]
 opentelemetry_0_16 = ["opentelemetry_0_16_pkg", "tracing-opentelemetry_0_16_pkg"]
+opentelemetry_0_17 = ["opentelemetry_0_17_pkg", "tracing-opentelemetry_0_17_pkg"]
 emit_event_on_error = []
 
 [dependencies]
-actix-web = { version = "=4.0.0-rc.1", default-features = false }
+actix-web = { version = "=4.0.0-rc.2", default-features = false }
 pin-project = "1.0.0"
 tracing = "0.1.19"
 tracing-futures = "0.2.4"
@@ -36,12 +37,15 @@ opentelemetry_0_13_pkg = { package = "opentelemetry", version = "0.13", optional
 opentelemetry_0_14_pkg = { package = "opentelemetry", version = "0.14", optional = true }
 opentelemetry_0_15_pkg = { package = "opentelemetry", version = "0.15", optional = true }
 opentelemetry_0_16_pkg = { package = "opentelemetry", version = "0.16", optional = true }
+opentelemetry_0_17_pkg = { package = "opentelemetry", version = "0.17", optional = true }
 tracing-opentelemetry_0_12_pkg = { package = "tracing-opentelemetry",version = "0.12", optional = true }
 tracing-opentelemetry_0_13_pkg = { package = "tracing-opentelemetry", version = "0.13", optional = true }
 tracing-opentelemetry_0_14_pkg = { package = "tracing-opentelemetry",version = "0.14", optional = true }
 tracing-opentelemetry_0_16_pkg = { package = "tracing-opentelemetry",version = "0.16", optional = true }
+tracing-opentelemetry_0_17_pkg = { package = "tracing-opentelemetry",version = "0.17", optional = true }
 
 [dev-dependencies]
+actix-web = { version = "=4.0.0-rc.2", default-features = false, features = ["macros"] }
 tracing-subscriber = { version = "0.3.0", features = ["registry", "env-filter"] }
 tracing-bunyan-formatter = "0.3.0"
 tracing-log = "0.1.1"
diff --git a/README.md b/README.md
index 34a5f4cac..71589cd90 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,9 @@ Add `tracing-actix-web` to your dependencies:
 ```toml
 [dependencies]
 # ...
-tracing-actix-web = "=0.5.0-rc.1"
+tracing-actix-web = "=0.5.0-rc.2"
 tracing = "0.1"
-actix-web = "=4.0.0-rc.1"
+actix-web = "=4.0.0-rc.2"
 ```
 
 `tracing-actix-web` exposes three feature flags:
@@ -48,6 +48,7 @@ actix-web = "=4.0.0-rc.1"
 - `opentelemetry_0_14`: same as above but using `opentelemetry` 0.14;
 - `opentelemetry_0_15`: same as above but using `opentelemetry` 0.15;
 - `opentelemetry_0_16`: same as above but using `opentelemetry` 0.16;
+- `opentelemetry_0_17`: same as above but using `opentelemetry` 0.17;
 - `emit_event_on_error`: emit a [`tracing`] event when request processing fails with an error (enabled by default).
 
 `tracing-actix-web` will release `0.5.0`, going out of beta, as soon as `actix-web` releases a stable `4.0.0`.
@@ -256,10 +257,10 @@ To fulfill a request you often have to perform additional I/O operations - e.g.
 `tracing-actix-web` provides support for distributed tracing by supporting the [OpenTelemetry standard](https://opentelemetry.io/).  
 `tracing-actix-web` follows [OpenTelemetry's semantic convention](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/overview.md#spancontext)
 for field names.  
-Furthermore, it provides an `opentelemetry_0_16` feature flag to automatically performs trace propagation: it tries to extract the OpenTelemetry context out of the headers of incoming requests and, when it finds one, it sets it as the remote context for the current root span. The context is then propagated to your downstream dependencies if your HTTP or gRPC clients are OpenTelemetry-aware - e.g. using [`reqwest-middleware` and `reqwest-tracing`](https://github.com/TrueLayer/reqwest-middleware) if you are using `reqwest` as your HTTP client.  
+Furthermore, it provides an `opentelemetry_0_17` feature flag to automatically performs trace propagation: it tries to extract the OpenTelemetry context out of the headers of incoming requests and, when it finds one, it sets it as the remote context for the current root span. The context is then propagated to your downstream dependencies if your HTTP or gRPC clients are OpenTelemetry-aware - e.g. using [`reqwest-middleware` and `reqwest-tracing`](https://github.com/TrueLayer/reqwest-middleware) if you are using `reqwest` as your HTTP client.  
 You can then find all logs for the same request across all the services it touched by looking for the `trace_id`, automatically logged by `tracing-actix-web`.
 
-If you add [`tracing-opentelemetry::OpenTelemetryLayer`](https://docs.rs/tracing-opentelemetry/0.16.0/tracing_opentelemetry/struct.OpenTelemetryLayer.html)
+If you add [`tracing-opentelemetry::OpenTelemetryLayer`](https://docs.rs/tracing-opentelemetry/0.17.0/tracing_opentelemetry/struct.OpenTelemetryLayer.html)
 in your `tracing::Subscriber` you will be able to export the root span (and all its children) as OpenTelemetry spans.
 
 Check out the [relevant example in the GitHub repository](https://github.com/LukeMathWalker/tracing-actix-web/tree/main/examples/opentelemetry) for reference.
diff --git a/examples/custom-root-span/Cargo.toml b/examples/custom-root-span/Cargo.toml
index eb1010dac..5390f548c 100644
--- a/examples/custom-root-span/Cargo.toml
+++ b/examples/custom-root-span/Cargo.toml
@@ -7,10 +7,10 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-actix-web = "=4.0.0-rc.1"
-opentelemetry = { version = "0.16", features = ["rt-tokio-current-thread"] }
-opentelemetry-jaeger = { version = "0.15", features = ["rt-tokio-current-thread"] }
-tracing-opentelemetry = { version = "0.16" }
+actix-web = "=4.0.0-rc.2"
+opentelemetry = { version = "0.17", features = ["rt-tokio-current-thread"] }
+opentelemetry-jaeger = { version = "0.16", features = ["rt-tokio-current-thread"] }
+tracing-opentelemetry = { version = "0.17" }
 tracing = "0.1.19"
 tracing-subscriber = { version = "0.3", features = ["registry", "env-filter"] }
 tracing-bunyan-formatter = "0.3"
diff --git a/examples/opentelemetry/Cargo.toml b/examples/opentelemetry/Cargo.toml
index 1c37db528..b0de27b96 100644
--- a/examples/opentelemetry/Cargo.toml
+++ b/examples/opentelemetry/Cargo.toml
@@ -7,11 +7,11 @@ edition = "2018"
 license = "MIT/Apache-2.0"
 
 [dependencies]
-actix-web = "=4.0.0-rc.1"
+actix-web = "=4.0.0-rc.2"
 tracing = "0.1.19"
-opentelemetry = { version = "0.16", features = ["rt-tokio-current-thread"] }
-opentelemetry-jaeger = { version = "0.15", features = ["rt-tokio-current-thread"] }
-tracing-opentelemetry = { version = "0.16" }
+opentelemetry = { version = "0.17", features = ["rt-tokio-current-thread"] }
+opentelemetry-jaeger = { version = "0.16", features = ["rt-tokio-current-thread"] }
+tracing-opentelemetry = { version = "0.17" }
 tracing-subscriber = { version = "0.3", features = ["registry", "env-filter"] }
 tracing-bunyan-formatter = "0.3"
-tracing-actix-web = { path = "../..", features = ["opentelemetry_0_16"] }
+tracing-actix-web = { path = "../..", features = ["opentelemetry_0_17"] }
diff --git a/src/lib.rs b/src/lib.rs
index a2edacceb..fbcd7f59f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,9 +10,9 @@
 //! ```toml
 //! [dependencies]
 //! # ...
-//! tracing-actix-web = "=0.5.0-rc.1"
+//! tracing-actix-web = "=0.5.0-rc.2"
 //! tracing = "0.1"
-//! actix-web = "=4.0.0-rc.1"
+//! actix-web = "=4.0.0-rc.2"
 //! ```
 //!
 //! `tracing-actix-web` exposes three feature flags:
@@ -21,6 +21,7 @@
 //! - `opentelemetry_0_14`: same as above but using `opentelemetry` 0.14;
 //! - `opentelemetry_0_15`: same as above but using `opentelemetry` 0.15;
 //! - `opentelemetry_0_16`: same as above but using `opentelemetry` 0.16;
+//! - `opentelemetry_0_17`: same as above but using `opentelemetry` 0.17;
 //! - `emit_event_on_error`: emit a [`tracing`] event when request processing fails with an error (enabled by default).
 //!
 //! `tracing-actix-web` will release `0.5.0`, going out of beta, as soon as `actix-web` releases a stable `4.0.0`.
@@ -225,10 +226,10 @@
 //! `tracing-actix-web` provides support for distributed tracing by supporting the [OpenTelemetry standard](https://opentelemetry.io/).  
 //! `tracing-actix-web` follows [OpenTelemetry's semantic convention](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/overview.md#spancontext)
 //! for field names.
-//! Furthermore, it provides an `opentelemetry_0_16` feature flag to automatically performs trace propagation: it tries to extract the OpenTelemetry context out of the headers of incoming requests and, when it finds one, it sets it as the remote context for the current root span. The context is then propagated to your downstream dependencies if your HTTP or gRPC clients are OpenTelemetry-aware - e.g. using [`reqwest-middleware` and `reqwest-tracing`](https://github.com/TrueLayer/reqwest-middleware) if you are using `reqwest` as your HTTP client.  
+//! Furthermore, it provides an `opentelemetry_0_17` feature flag to automatically performs trace propagation: it tries to extract the OpenTelemetry context out of the headers of incoming requests and, when it finds one, it sets it as the remote context for the current root span. The context is then propagated to your downstream dependencies if your HTTP or gRPC clients are OpenTelemetry-aware - e.g. using [`reqwest-middleware` and `reqwest-tracing`](https://github.com/TrueLayer/reqwest-middleware) if you are using `reqwest` as your HTTP client.  
 //! You can then find all logs for the same request across all the services it touched by looking for the `trace_id`, automatically logged by `tracing-actix-web`.
 //!
-//! If you add [`tracing-opentelemetry::OpenTelemetryLayer`](https://docs.rs/tracing-opentelemetry/0.16.0/tracing_opentelemetry/struct.OpenTelemetryLayer.html)
+//! If you add [`tracing-opentelemetry::OpenTelemetryLayer`](https://docs.rs/tracing-opentelemetry/0.17.0/tracing_opentelemetry/struct.OpenTelemetryLayer.html)
 //! in your `tracing::Subscriber` you will be able to export the root span (and all its children) as OpenTelemetry spans.
 //!
 //! Check out the [relevant example in the GitHub repository](https://github.com/LukeMathWalker/tracing-actix-web/tree/main/examples/opentelemetry) for reference.
@@ -252,7 +253,8 @@ pub mod root_span_macro;
     feature = "opentelemetry_0_13",
     feature = "opentelemetry_0_14",
     feature = "opentelemetry_0_15",
-    feature = "opentelemetry_0_16"
+    feature = "opentelemetry_0_16",
+    feature = "opentelemetry_0_17"
 ))]
 mod otel;
 
@@ -265,11 +267,23 @@ compile_error!("feature \"opentelemetry_0_13\" and feature \"opentelemetry_0_15\
 #[cfg(all(feature = "opentelemetry_0_13", feature = "opentelemetry_0_16"))]
 compile_error!("feature \"opentelemetry_0_13\" and feature \"opentelemetry_0_16\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_13", feature = "opentelemetry_0_17"))]
+compile_error!("feature \"opentelemetry_0_13\" and feature \"opentelemetry_0_17\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_14", feature = "opentelemetry_0_15"))]
 compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_15\" cannot be enabled at the same time");
 
 #[cfg(all(feature = "opentelemetry_0_14", feature = "opentelemetry_0_16"))]
 compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_16\" cannot be enabled at the same time");
 
+#[cfg(all(feature = "opentelemetry_0_14", feature = "opentelemetry_0_17"))]
+compile_error!("feature \"opentelemetry_0_14\" and feature \"opentelemetry_0_17\" cannot be enabled at the same time");
+
 #[cfg(all(feature = "opentelemetry_0_15", feature = "opentelemetry_0_16"))]
 compile_error!("feature \"opentelemetry_0_15\" and feature \"opentelemetry_0_16\" cannot be enabled at the same time");
+
+#[cfg(all(feature = "opentelemetry_0_15", feature = "opentelemetry_0_17"))]
+compile_error!("feature \"opentelemetry_0_15\" and feature \"opentelemetry_0_17\" cannot be enabled at the same time");
+
+#[cfg(all(feature = "opentelemetry_0_16", feature = "opentelemetry_0_17"))]
+compile_error!("feature \"opentelemetry_0_16\" and feature \"opentelemetry_0_17\" cannot be enabled at the same time");
diff --git a/src/otel.rs b/src/otel.rs
index 85b795caa..0b7adecc2 100644
--- a/src/otel.rs
+++ b/src/otel.rs
@@ -8,6 +8,8 @@ use opentelemetry_0_14_pkg as opentelemetry;
 use opentelemetry_0_15_pkg as opentelemetry;
 #[cfg(feature = "opentelemetry_0_16")]
 use opentelemetry_0_16_pkg as opentelemetry;
+#[cfg(feature = "opentelemetry_0_17")]
+use opentelemetry_0_17_pkg as opentelemetry;
 
 #[cfg(feature = "opentelemetry_0_13")]
 use tracing_opentelemetry_0_12_pkg as tracing_opentelemetry;
@@ -17,6 +19,8 @@ use tracing_opentelemetry_0_13_pkg as tracing_opentelemetry;
 use tracing_opentelemetry_0_14_pkg as tracing_opentelemetry;
 #[cfg(feature = "opentelemetry_0_16")]
 use tracing_opentelemetry_0_16_pkg as tracing_opentelemetry;
+#[cfg(feature = "opentelemetry_0_17")]
+use tracing_opentelemetry_0_17_pkg as tracing_opentelemetry;
 
 use opentelemetry::propagation::Extractor;
 
@@ -50,6 +54,14 @@ pub(crate) fn set_otel_parent(req: &ServiceRequest, span: &tracing::Span) {
     span.set_parent(parent_context);
     // If we have a remote parent span, this will be the parent's trace identifier.
     // If not, it will be the newly generated trace identifier with this request as root span.
+    #[cfg(not(feature = "opentelemetry_0_17"))]
     let trace_id = span.context().span().span_context().trace_id().to_hex();
+
+    #[cfg(feature = "opentelemetry_0_17")]
+    let trace_id = {
+        let id = span.context().span().span_context().trace_id();
+        format!("{:032x}", id)
+    };
+
     span.record("trace_id", &tracing::field::display(trace_id));
 }
diff --git a/src/root_span_macro.rs b/src/root_span_macro.rs
index d5f4b0b74..7f7cfd45e 100644
--- a/src/root_span_macro.rs
+++ b/src/root_span_macro.rs
@@ -132,7 +132,8 @@ pub mod private {
             feature = "opentelemetry_0_13",
             feature = "opentelemetry_0_14",
             feature = "opentelemetry_0_15",
-            feature = "opentelemetry_0_16"
+            feature = "opentelemetry_0_16",
+            feature = "opentelemetry_0_17"
         ))]
         crate::otel::set_otel_parent(req, span);
     }