diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 23ef625..a5277fe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,7 @@ jobs:
           - windows-latest
         rust:
           - stable
+          - 1.65.0
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout sources
@@ -58,6 +59,7 @@ jobs:
           - windows-latest
         rust:
           - stable
+          - 1.65.0
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout sources
diff --git a/Cargo.toml b/Cargo.toml
index 1f171bc..c94265b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,7 @@ include = [
   "LICENSE-APACHE",
   "LICENSE-MIT",
 ]
+rust-version = "1.65"
 
 [dependencies]
 base64ct = { version = "1.5", default-features = false, features = ["alloc"] }
diff --git a/src/lib.rs b/src/lib.rs
index 63f98bd..c9a4aeb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -310,15 +310,14 @@ impl<'a> UnverifiedJwt<'a> {
 
     fn split(jwt: &str) -> Result<SplitJwt<'_>> {
         let mut parts = jwt.rsplitn(2, '.');
-        let (signature, signed_data) = match (parts.next(), parts.next()) {
-            (Some(signature), Some(signed_data)) => (signature, signed_data),
-            _ => return Err(Error::malformed_jwt()),
+
+        let (Some(signature), Some(signed_data)) = (parts.next(), parts.next()) else {
+            return Err(Error::malformed_jwt());
         };
 
         let mut parts = signed_data.rsplitn(3, '.');
-        let (claims, header) = match (parts.next(), parts.next(), parts.next()) {
-            (Some(claims), Some(header), None) => (claims, header),
-            _ => return Err(Error::malformed_jwt()),
+        let (Some(claims), Some(header), None) = (parts.next(), parts.next(), parts.next()) else {
+            return Err(Error::malformed_jwt());
         };
 
         Ok(SplitJwt {