diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 22724929..0296e0e9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ on:
 jobs:
   test-pushpull:
     runs-on: ubuntu-latest
-    container: swift:5.9.2-jammy
+    container: swift:5.10.1-jammy
     steps:
     - uses: actions/checkout@v3
     - name: Run tests
diff --git a/Package.swift b/Package.swift
index c5eba2d0..e81545f7 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:5.10
 
 import PackageDescription
 
@@ -34,7 +34,10 @@ let package = Package(
                 .product(name: "Collections", package: "swift-collections"),
                 .product(name: "Logging", package: "swift-log"),
             ],
-            exclude: ["Abstraction/README.md", "Framework/README.md"]
+            exclude: ["Abstraction/README.md", "Framework/README.md"],
+            swiftSettings: [
+                .enableExperimentalFeature("StrictConcurrency=complete")
+            ]
         ),
         .target(
             name: "HTMLKitConverter",
@@ -56,6 +59,9 @@ let package = Package(
             dependencies: [
                 .target(name: "HTMLKit"),
                 .product(name: "Vapor", package: "vapor"),
+            ],
+            swiftSettings: [
+                .enableExperimentalFeature("StrictConcurrency=complete")
             ]
         ),
         .target(
diff --git a/Sources/HTMLKit/Framework/Localization/InterpolationArgument.swift b/Sources/HTMLKit/Framework/Localization/InterpolationArgument.swift
index 415c7513..83c1e7f2 100644
--- a/Sources/HTMLKit/Framework/Localization/InterpolationArgument.swift
+++ b/Sources/HTMLKit/Framework/Localization/InterpolationArgument.swift
@@ -5,7 +5,7 @@ import Foundation
 /// Each case corresponds to a specific data type and provides a placeholder
 /// that can be used for replacing values in the localized string.
 @_documentation(visibility: internal)
-public enum InterpolationArgument {
+public enum InterpolationArgument: Sendable {
     
     /// Holds an integer value
     case int(Int)
diff --git a/Sources/HTMLKit/Framework/Localization/LocalizedString.swift b/Sources/HTMLKit/Framework/Localization/LocalizedString.swift
index fa00f711..a88668b3 100644
--- a/Sources/HTMLKit/Framework/Localization/LocalizedString.swift
+++ b/Sources/HTMLKit/Framework/Localization/LocalizedString.swift
@@ -2,7 +2,7 @@ import Foundation
 
 /// A type thats holds the information for the localization
 @_documentation(visibility: internal)
-public struct LocalizedString: Content {
+public struct LocalizedString: Content, Sendable {
 
     /// The key of the translation value
     internal let key: LocalizedStringKey
diff --git a/Sources/HTMLKit/Framework/Localization/LocalizedStringKey.swift b/Sources/HTMLKit/Framework/Localization/LocalizedStringKey.swift
index 0e138f5e..ce657c34 100644
--- a/Sources/HTMLKit/Framework/Localization/LocalizedStringKey.swift
+++ b/Sources/HTMLKit/Framework/Localization/LocalizedStringKey.swift
@@ -2,7 +2,7 @@ import Foundation
 
 /// A string key for the localization
 @_documentation(visibility: internal)
-public struct LocalizedStringKey {
+public struct LocalizedStringKey: Sendable {
  
     /// The key value
     internal let value: String
diff --git a/Sources/HTMLKit/Framework/Localization/TranslationTable.swift b/Sources/HTMLKit/Framework/Localization/TranslationTable.swift
index cd6a481b..b47f6caf 100644
--- a/Sources/HTMLKit/Framework/Localization/TranslationTable.swift
+++ b/Sources/HTMLKit/Framework/Localization/TranslationTable.swift
@@ -1,7 +1,7 @@
 /// A type that represents a translation table
 ///
 /// A translation table stores multiple localized strings, mapping unique string keys to their corresponding translations
-internal struct TranslationTable {
+internal struct TranslationTable: Sendable {
     
     /// The name of the table
     internal let name: String
diff --git a/Sources/HTMLKit/Framework/Rendering/Features.swift b/Sources/HTMLKit/Framework/Rendering/Features.swift
index 550a6957..f8106a4f 100644
--- a/Sources/HTMLKit/Framework/Rendering/Features.swift
+++ b/Sources/HTMLKit/Framework/Rendering/Features.swift
@@ -1,7 +1,7 @@
 /// An option set of different features
 ///
 /// The feature set provides the flexibility to enable experimental features if desired.
-public struct Features: Swift.OptionSet {
+public struct Features: Swift.OptionSet, Sendable {
     
     public var rawValue: Int
     
diff --git a/Sources/HTMLKit/Framework/Rendering/Markdown/Markdown.swift b/Sources/HTMLKit/Framework/Rendering/Markdown/Markdown.swift
index 49cf8cfc..073e430c 100644
--- a/Sources/HTMLKit/Framework/Rendering/Markdown/Markdown.swift
+++ b/Sources/HTMLKit/Framework/Rendering/Markdown/Markdown.swift
@@ -1,6 +1,6 @@
 import Foundation
 
-internal final class Markdown {
+internal struct Markdown: Sendable {
     
     /// The markdowns characters
     internal static let characters = CharacterSet(charactersIn: "*_~[`")