diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9f28ee9..d16c095 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -10,12 +10,14 @@ on:
 jobs:
   lint:
     name: Lint Code
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
       - name: Repository checkout
         uses: actions/checkout@v4
       - name: Lint
-        run: swiftlint
+        uses: norio-nomura/action-swiftlint@3.2.1
+        with:
+          args: --strict
   test:
     name: Test Xcode ${{ matrix.xcode }} - ${{ matrix.xcodebuildCommand }}
     runs-on: "macos-latest"
diff --git a/Sources/TelemetryClient/SignalManager.swift b/Sources/TelemetryClient/SignalManager.swift
index 0432733..a30aac9 100644
--- a/Sources/TelemetryClient/SignalManager.swift
+++ b/Sources/TelemetryClient/SignalManager.swift
@@ -86,7 +86,7 @@ internal class SignalManager: SignalManageable {
             let signalPostBody = SignalPostBody(
                 receivedAt: Date(),
                 appID: UUID(uuidString: configuration.telemetryAppID)!,
-                clientUser: CryptoHashing.sha256(str: customUserID ?? self.defaultUserIdentifier, salt: configuration.salt),
+                clientUser: CryptoHashing.sha256(string: customUserID ?? self.defaultUserIdentifier, salt: configuration.salt),
                 sessionID: configuration.sessionID.uuidString,
                 type: "\(signalName)",
                 floatValue: floatValue,
@@ -203,7 +203,7 @@ private extension SignalManager {
     #if os(macOS)
     /// A custom ``UserDefaults`` instance specific to TelemetryDeck and the current application.
     private var customDefaults: UserDefaults? {
-        let appIdHash = CryptoHashing.sha256(str: self.configuration.telemetryAppID, salt: "")
+        let appIdHash = CryptoHashing.sha256(string: self.configuration.telemetryAppID, salt: "")
         return UserDefaults(suiteName: "com.telemetrydeck.\(appIdHash.suffix(12))")
     }
     #endif
diff --git a/Tests/TelemetryClientTests/CryptoHashingTests.swift b/Tests/TelemetryClientTests/CryptoHashingTests.swift
index 4428021..78472ce 100644
--- a/Tests/TelemetryClientTests/CryptoHashingTests.swift
+++ b/Tests/TelemetryClientTests/CryptoHashingTests.swift
@@ -12,7 +12,7 @@ final class CryptoHashingTests: XCTestCase {
 
         let expectedDigestString = "5b8fab7cf45fcece0e99a05950611b7b355917e4fb6daa73fd3d7590764fa53b"
 
-        XCTAssertEqual(expectedDigestString, CryptoHashing.sha256(str: stringToHash, salt: ""))
+        XCTAssertEqual(expectedDigestString, CryptoHashing.sha256(string: stringToHash, salt: ""))
         XCTAssertEqual(expectedDigestString, CryptoHashing.commonCryptoSha256(strData: dataToHash))
 
         // even though we already test if we can import CryptoKit, somehow this still fails on iOS 12,
@@ -31,9 +31,9 @@ final class CryptoHashingTests: XCTestCase {
         let secondSalt = "x21MTSq3MRSmLjVFsYIe"
         let expectedSecondDigestString = "acb027bb031c0f73de26c6b8d0441d9c98449d582a538014c44ca49b4c299aa8"
 
-        XCTAssertEqual(expectedDigestString, CryptoHashing.sha256(str: stringToHash, salt: salt))
-        XCTAssertEqual(expectedSecondDigestString, CryptoHashing.sha256(str: stringToHash, salt: secondSalt))
-        XCTAssertNotEqual(CryptoHashing.sha256(str: stringToHash, salt: salt), CryptoHashing.sha256(str: stringToHash, salt: secondSalt))
+        XCTAssertEqual(expectedDigestString, CryptoHashing.sha256(string: stringToHash, salt: salt))
+        XCTAssertEqual(expectedSecondDigestString, CryptoHashing.sha256(string: stringToHash, salt: secondSalt))
+        XCTAssertNotEqual(CryptoHashing.sha256(string: stringToHash, salt: salt), CryptoHashing.sha256(string: stringToHash, salt: secondSalt))
     }
     #endif
 }