diff --git a/README.md b/README.md
index dd4c27c..3efbd53 100644
--- a/README.md
+++ b/README.md
@@ -323,7 +323,7 @@ import PackageDescription
 let package = Package(
   name: "SomeProject",
   dependencies: [
-    .package(url: "https://github.com/dankinsoid/swift-api-client.git", from: "1.5.0")
+    .package(url: "https://github.com/dankinsoid/swift-api-client.git", from: "1.5.1")
   ],
   targets: [
     .target(
diff --git a/Sources/SwiftAPIClient/Modifiers/TimeoutModifiers.swift b/Sources/SwiftAPIClient/Modifiers/TimeoutModifiers.swift
index fe54837..cc1fb90 100644
--- a/Sources/SwiftAPIClient/Modifiers/TimeoutModifiers.swift
+++ b/Sources/SwiftAPIClient/Modifiers/TimeoutModifiers.swift
@@ -75,7 +75,7 @@ public extension APIClient {
 	) -> APIClient where C.Duration == Duration {
 		self.timeout(
 			timeout,
-			seconds: { Double($0.components.seconds) + Double($0.components.attoseconds) * pow(10, -18) },
+            seconds: { Double($0.components.seconds) + Double($0.components.attoseconds) * pow(10.0, -18.0) },
 			sleep: { try await clock.sleep(for: $0, tolerance: tolerance) },
 			fileID: fileID,
 			line: line