diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 57d7cca..f630672 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
 
       - name: Setup rust tooling
         run: |
-          rustup override set 1.74
+          rustup override set 1.81
           rustup component add rustfmt clippy
 
       - uses: ./.github/actions/ci
@@ -49,7 +49,7 @@ jobs:
 
       - name: Setup rust tooling
         run: |
-          rustup override set 1.74
+          rustup override set 1.81
           rustup component add rustfmt clippy
           rustup target add x86_64-unknown-linux-musl
 
diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index 02178df..0284c34 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -19,7 +19,7 @@ jobs:
 
       - name: Setup rust tooling
         run: |
-          rustup override set 1.74
+          rustup override set 1.81
           rustup component add rustfmt clippy
 
       - uses: ./.github/actions/ci
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index cf46a18..ef7401f 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -24,7 +24,7 @@ jobs:
       - name: Setup rust tooling
         if: ${{ steps.release.outputs['launchdarkly-server-sdk--release_created'] == 'true' }}
         run: |
-          rustup override set 1.74
+          rustup override set 1.81
           rustup component add rustfmt clippy
 
       - uses: launchdarkly/gh-actions/actions/release-secrets@release-secrets-v1.2.0
diff --git a/contract-tests/Cargo.toml b/contract-tests/Cargo.toml
index 2e66d1b..06d02cb 100644
--- a/contract-tests/Cargo.toml
+++ b/contract-tests/Cargo.toml
@@ -2,7 +2,7 @@
 name = "contract-tests"
 version = "0.1.0"
 edition = "2021"
-rust-version = "1.74.0"  # MSRV
+rust-version = "1.81.0"  # MSRV
 license = "Apache-2.0"
 
 [dependencies]
diff --git a/launchdarkly-server-sdk/Cargo.toml b/launchdarkly-server-sdk/Cargo.toml
index f399b43..68b2acc 100644
--- a/launchdarkly-server-sdk/Cargo.toml
+++ b/launchdarkly-server-sdk/Cargo.toml
@@ -4,7 +4,7 @@ description = "LaunchDarkly Server-Side SDK"
 version = "2.4.1"
 authors = ["LaunchDarkly"]
 edition = "2021"
-rust-version = "1.74.0"  # MSRV
+rust-version = "1.81.0"  # MSRV
 license = "Apache-2.0"
 homepage = "https://docs.launchdarkly.com/sdk/server-side/rust"
 repository = "https://github.com/launchdarkly/rust-server-sdk"
diff --git a/launchdarkly-server-sdk/src/data_source.rs b/launchdarkly-server-sdk/src/data_source.rs
index 1e6a0b8..55c786f 100644
--- a/launchdarkly-server-sdk/src/data_source.rs
+++ b/launchdarkly-server-sdk/src/data_source.rs
@@ -24,7 +24,7 @@ const FLAGS_PREFIX: &str = "/flags/";
 const SEGMENTS_PREFIX: &str = "/segments/";
 
 #[derive(Debug)]
-#[allow(clippy::enum_variant_names)]
+#[allow(clippy::enum_variant_names, dead_code)]
 pub enum Error {
     InvalidEventData {
         event_type: String,
diff --git a/launchdarkly-server-sdk/src/service_endpoints.rs b/launchdarkly-server-sdk/src/service_endpoints.rs
index f8c33b8..708ec68 100644
--- a/launchdarkly-server-sdk/src/service_endpoints.rs
+++ b/launchdarkly-server-sdk/src/service_endpoints.rs
@@ -32,16 +32,17 @@ impl ServiceEndpoints {
 /// changing these properties:
 ///
 /// - You are using the <a href="https://docs.launchdarkly.com/home/advanced/relay-proxy">LaunchDarkly
-/// Relay Proxy</a>. In this case, use [ServiceEndpointsBuilder::relay_proxy] with the URL of the relay proxy instance.
+///   Relay Proxy</a>. In this case, use [ServiceEndpointsBuilder::relay_proxy] with the URL of the
+///   relay proxy instance.
 ///
 /// - You are connecting to a private instance of LaunchDarkly, rather than the standard production
-/// services. In this case, there will be custom base URIs for each service. You need to configure
-/// each endpoint with [ServiceEndpointsBuilder::polling_base_url],
-/// [ServiceEndpointsBuilder::streaming_base_url], and [ServiceEndpointsBuilder::events_base_url].
+///   services. In this case, there will be custom base URIs for each service. You need to configure
+///   each endpoint with [ServiceEndpointsBuilder::polling_base_url],
+///   [ServiceEndpointsBuilder::streaming_base_url], and [ServiceEndpointsBuilder::events_base_url].
 ///
 /// - You are connecting to a test fixture that simulates the service endpoints. In this case, you
-/// may set the base URLs to whatever you want, although the SDK will still set the URL paths to
-/// the expected paths for LaunchDarkly services.
+///   may set the base URLs to whatever you want, although the SDK will still set the URL paths to
+///   the expected paths for LaunchDarkly services.
 ///
 /// # Examples
 ///