diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index dcf2e8c96..5b6fb1863 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -32,7 +32,7 @@ jobs:
         rust:
           - stable
           - nightly
-          - 1.48
+          - 1.51
         features:
           - default
           - ssl
diff --git a/Cargo.toml b/Cargo.toml
index 715ac2758..b9de89364 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,7 @@ serde = "1"
 serde_derive = "1"
 serde_json = "1"
 sha1 = "0.6.0"
-time = { version = "=0.3.2", features = [ "local-offset" ] }
+time = { version = "0.3.5", features = [ "local-offset" ] }
 tiny_http = "0.8.1"
 url = "2"
 threadpool = "1"
diff --git a/clippy.toml b/clippy.toml
index f691ea3d2..829dd1c59 100644
--- a/clippy.toml
+++ b/clippy.toml
@@ -1 +1 @@
-msrv = "1.48"
+msrv = "1.51"
diff --git a/src/content_encoding.rs b/src/content_encoding.rs
index cb015df65..a3244958e 100644
--- a/src/content_encoding.rs
+++ b/src/content_encoding.rs
@@ -74,7 +74,7 @@ pub fn apply(request: &Request, mut response: Response) -> Response {
     let encoding_preference = ["br", "gzip", "x-gzip", "identity"];
     let accept_encoding_header = request.header("Accept-Encoding").unwrap_or("");
     if let Some(preferred_index) = input::priority_header_preferred(
-        &accept_encoding_header,
+        accept_encoding_header,
         encoding_preference.iter().cloned(),
     ) {
         match encoding_preference[preferred_index] {
@@ -84,7 +84,7 @@ pub fn apply(request: &Request, mut response: Response) -> Response {
         }
     }
 
-    return response;
+    response
 }
 
 // Returns true if the Content-Type of the response is a type that should be encoded.
diff --git a/src/lib.rs b/src/lib.rs
index c8d75791b..b2026f0b2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -915,7 +915,7 @@ impl Request {
         let param_pairs = self.raw_query_string().split('&');
         param_pairs
             .filter(|pair| pair.starts_with(name_pattern))
-            .map(|pair| pair.split('=').skip(1).next().unwrap_or(""))
+            .map(|pair| pair.split('=').nth(1).unwrap_or(""))
             .next()
             .map(|value| {
                 percent_encoding::percent_decode(value.replace("+", " ").as_bytes())