diff --git a/Package.resolved b/Package.resolved
index 7a2905c..eb9f17c 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -9,15 +9,6 @@
         "version" : "5.10.2"
       }
     },
-    {
-      "identity" : "cocoalumberjack",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/CocoaLumberjack/CocoaLumberjack",
-      "state" : {
-        "revision" : "4b8714a7fb84d42393314ce897127b3939885ec3",
-        "version" : "3.8.5"
-      }
-    },
     {
       "identity" : "ios-dependency-injection",
       "kind" : "remoteSourceControl",
@@ -72,15 +63,6 @@
         "version" : "8.42.0"
       }
     },
-    {
-      "identity" : "swift-log",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/apple/swift-log",
-      "state" : {
-        "revision" : "96a2f8a0fa41e9e09af4585e2724c4e825410b91",
-        "version" : "1.6.2"
-      }
-    },
     {
       "identity" : "zipfoundation",
       "kind" : "remoteSourceControl",
diff --git a/Package.swift b/Package.swift
index e16f1e4..859625f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -21,8 +21,8 @@ if resolveDependenciesForTesting {
 let package = Package(
     name: "InfomaniakCore",
     platforms: [
-        .iOS(.v13),
-        .macOS(.v10_15)
+        .iOS(.v15),
+        .macOS(.v11)
     ],
     products: [
         .library(
@@ -40,7 +40,6 @@ let package = Package(
         .package(url: "https://github.com/Alamofire/Alamofire", .upToNextMajor(from: "5.8.0")),
         .package(url: "https://github.com/getsentry/sentry-cocoa", .upToNextMajor(from: "8.18.0")),
         .package(url: "https://github.com/realm/realm-swift", .upToNextMajor(from: "10.45.0")),
-        .package(url: "https://github.com/CocoaLumberjack/CocoaLumberjack", .upToNextMajor(from: "3.8.0")),
         .package(url: "https://github.com/weichsel/ZIPFoundation.git", .upToNextMajor(from: "0.9.0")),
         .package(url: "https://github.com/MarcoEidinger/OSInfo.git", .upToNextMajor(from: "1.0.0"))
     ],
@@ -52,8 +51,6 @@ let package = Package(
                 .product(name: "InfomaniakDI", package: "ios-dependency-injection"),
                 .product(name: "InfomaniakLogin", package: "ios-login"),
                 .product(name: "Sentry-Dynamic", package: "sentry-cocoa"),
-                .product(name: "CocoaLumberjackSwift", package: "CocoaLumberjack"),
-                .product(name: "CocoaLumberjack", package: "CocoaLumberjack"),
                 .product(name: "OSInfo", package: "OSInfo")
             ]
         ),
diff --git a/Sources/InfomaniakCore/Account/KeychainHelper.swift b/Sources/InfomaniakCore/Account/KeychainHelper.swift
index fdc1a85..2655ee5 100644
--- a/Sources/InfomaniakCore/Account/KeychainHelper.swift
+++ b/Sources/InfomaniakCore/Account/KeychainHelper.swift
@@ -16,12 +16,14 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import CocoaLumberjackSwift
 import Foundation
 import InfomaniakLogin
+import OSLog
 import Sentry
 
 public class KeychainHelper {
+    private let logger = Logger(category: "KeychainHelper")
+
     let accessGroup: String
     let tag = "ch.infomaniak.token".data(using: .utf8)!
     let keychainQueue = DispatchQueue(label: "com.infomaniak.keychain")
@@ -63,7 +65,7 @@ public class KeychainHelper {
             }
             return false
         } else {
-            DDLogInfo("[Keychain] Accessible error ? \(resultCode == noErr), \(resultCode)")
+            logger.error("[Keychain] Accessible error ? \(resultCode == noErr), \(resultCode)")
             return false
         }
     }
@@ -78,7 +80,7 @@ public class KeychainHelper {
             kSecValueData as String: lockedValue
         ]
         let resultCode = SecItemAdd(queryAdd as CFDictionary, nil)
-        DDLogInfo(
+        logger.info(
             "[Keychain] Successfully init KeychainHelper ? \(resultCode == noErr || resultCode == errSecDuplicateItem), \(resultCode)"
         )
     }
@@ -91,7 +93,7 @@ public class KeychainHelper {
                 kSecAttrAccount as String: "\(userId)"
             ]
             let resultCode = SecItemDelete(queryDelete as CFDictionary)
-            DDLogInfo("Successfully deleted token ? \(resultCode == noErr)")
+            logger.info("Successfully deleted token ? \(resultCode == noErr)")
         }
     }
 
@@ -102,7 +104,7 @@ public class KeychainHelper {
                 kSecAttrService as String: tag
             ]
             let resultCode = SecItemDelete(queryDelete as CFDictionary)
-            DDLogInfo("Successfully deleted all tokens ? \(resultCode == noErr)")
+            logger.info("Successfully deleted all tokens ? \(resultCode == noErr)")
         }
     }
 
@@ -132,12 +134,12 @@ public class KeychainHelper {
                    let newTokenExpirationDate = token.expirationDate,
                    savedTokenExpirationDate <= newTokenExpirationDate {
                     resultCode = SecItemUpdate(queryUpdate as CFDictionary, attributes as CFDictionary)
-                    DDLogInfo("Successfully updated token ? \(resultCode == noErr)")
+                    logger.info("Successfully updated token ? \(resultCode == noErr)")
                     SentrySDK.addBreadcrumb(token.generateBreadcrumb(level: .info, message: "Successfully updated token"))
                 } else if savedToken.expirationDate == nil || token.expirationDate == nil {
                     // Or if one of them is now an infinite refresh token
                     resultCode = SecItemUpdate(queryUpdate as CFDictionary, attributes as CFDictionary)
-                    DDLogInfo("Successfully updated unlimited token ? \(resultCode == noErr)")
+                    logger.info("Successfully updated unlimited token ? \(resultCode == noErr)")
                     SentrySDK.addBreadcrumb(token.generateBreadcrumb(
                         level: .info,
                         message: "Successfully updated unlimited token"
@@ -156,7 +158,7 @@ public class KeychainHelper {
                     kSecValueData as String: tokenData
                 ]
                 resultCode = SecItemAdd(queryAdd as CFDictionary, nil)
-                DDLogInfo("Successfully saved token ? \(resultCode == noErr)")
+                logger.info("Successfully saved token ? \(resultCode == noErr)")
                 SentrySDK.addBreadcrumb(token.generateBreadcrumb(level: .info, message: "Successfully saved token"))
             }
         }
@@ -215,7 +217,7 @@ public class KeychainHelper {
             let resultCode = withUnsafeMutablePointer(to: &result) {
                 SecItemCopyMatching(query as CFDictionary, UnsafeMutablePointer($0))
             }
-            DDLogInfo("Successfully loaded tokens ? \(resultCode == noErr)")
+            logger.info("Successfully loaded tokens ? \(resultCode == noErr)")
 
             guard resultCode == noErr else {
                 let crumb = Breadcrumb(level: .error, category: "Token")
diff --git a/Sources/InfomaniakCore/Account/UserProfileStore.swift b/Sources/InfomaniakCore/Account/UserProfileStore.swift
index 5c031dc..ffebf83 100644
--- a/Sources/InfomaniakCore/Account/UserProfileStore.swift
+++ b/Sources/InfomaniakCore/Account/UserProfileStore.swift
@@ -16,11 +16,13 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import CocoaLumberjackSwift
 import Foundation
 import InfomaniakDI
+import OSLog
 
 public actor UserProfileStore {
+    private let logger = Logger(category: "UserProfileStore")
+
     public typealias UserId = Int
 
     let preferencesURL: URL
@@ -65,7 +67,7 @@ public actor UserProfileStore {
             try FileManager.default.createDirectory(atPath: preferencesURL.path, withIntermediateDirectories: true)
             try usersData.write(to: storeFileURL)
         } catch {
-            DDLogError("[UserProfileStore] Error saving accounts :\(error)")
+            logger.error("[UserProfileStore] Error saving accounts :\(error)")
         }
     }
 
@@ -84,7 +86,7 @@ public actor UserProfileStore {
 
             profiles = savedUsers
         } catch {
-            DDLogError("[UserProfileStore] Error loading accounts :\(error)")
+            logger.error("[UserProfileStore] Error loading accounts :\(error)")
         }
     }
 }
diff --git a/Sources/InfomaniakCore/Asynchronous/BackgroundExecutor.swift b/Sources/InfomaniakCore/Asynchronous/BackgroundExecutor.swift
index 940dcd9..3d63a52 100644
--- a/Sources/InfomaniakCore/Asynchronous/BackgroundExecutor.swift
+++ b/Sources/InfomaniakCore/Asynchronous/BackgroundExecutor.swift
@@ -16,10 +16,12 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import CocoaLumberjackSwift
 import Foundation
+import OSLog
 
 public enum BackgroundExecutor {
+    private static let logger = Logger(category: "BackgroundExecutor")
+
     public typealias TaskCompletion = () -> Void
     public static func executeWithBackgroundTask(_ block: @escaping (@escaping TaskCompletion) -> Void,
                                                  onExpired: @escaping () -> Void) {
@@ -28,24 +30,24 @@ public enum BackgroundExecutor {
         let group = TolerantDispatchGroup()
         group.enter()
         #if os(macOS)
-        DDLogDebug("Starting task \(taskName) (No expiration handler as we are running on macOS)")
+        logger.debug("Starting task \(taskName) (No expiration handler as we are running on macOS)")
         processInfos.performActivity(options: .suddenTerminationDisabled, reason: taskName) {
             block {
-                DDLogDebug("Ending task \(taskName)")
+                logger.debug("Ending task \(taskName)")
                 group.leave()
             }
             group.wait()
         }
         #else
-        DDLogDebug("Starting task \(taskName)")
+        logger.debug("Starting task \(taskName)")
         processInfos.performExpiringActivity(withReason: taskName) { expired in
             if expired {
                 onExpired()
-                DDLogDebug("Expired task \(taskName)")
+                logger.debug("Expired task \(taskName)")
                 group.leave()
             } else {
                 block {
-                    DDLogDebug("Ending task \(taskName)")
+                    logger.debug("Ending task \(taskName)")
                     group.leave()
                 }
                 group.wait()
diff --git a/Sources/InfomaniakCore/Asynchronous/TolerantDispatchGroup.swift b/Sources/InfomaniakCore/Asynchronous/TolerantDispatchGroup.swift
index 9ada66c..b7e3fb6 100644
--- a/Sources/InfomaniakCore/Asynchronous/TolerantDispatchGroup.swift
+++ b/Sources/InfomaniakCore/Asynchronous/TolerantDispatchGroup.swift
@@ -16,10 +16,12 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import CocoaLumberjackSwift
 import Foundation
+import OSLog
 
 public final class TolerantDispatchGroup {
+    private let logger = Logger(category: "TolerantDispatchGroup")
+
     let syncQueue: DispatchQueue
     private let dispatchGroup = DispatchGroup()
     private var callBalancer = 0
@@ -40,7 +42,7 @@ public final class TolerantDispatchGroup {
     public func leave() {
         syncQueue.sync {
             guard callBalancer > 0 else {
-                DDLogWarn("TolerantDispatchGroup: Unbalanced call to leave()")
+                logger.warning("TolerantDispatchGroup: Unbalanced call to leave()")
                 return
             }
 
diff --git a/Sources/InfomaniakCore/CoreLogger.swift b/Sources/InfomaniakCore/CoreLogger.swift
new file mode 100644
index 0000000..506005a
--- /dev/null
+++ b/Sources/InfomaniakCore/CoreLogger.swift
@@ -0,0 +1,26 @@
+/*
+ Infomaniak Core - iOS
+ Copyright (C) 2025 Infomaniak Network SA
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import Foundation
+import OSLog
+
+extension Logger {
+    init(category: String) {
+        self.init(subsystem: "com.infomaniak.core", category: category)
+    }
+}
diff --git a/Sources/InfomaniakCore/ItemProviderRepresentation/AppGroupPathProvider.swift b/Sources/InfomaniakCore/ItemProviderRepresentation/AppGroupPathProvider.swift
index 58dfb67..aadb974 100644
--- a/Sources/InfomaniakCore/ItemProviderRepresentation/AppGroupPathProvider.swift
+++ b/Sources/InfomaniakCore/ItemProviderRepresentation/AppGroupPathProvider.swift
@@ -16,8 +16,8 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-import CocoaLumberjackSwift
 import Foundation
+import OSLog
 
 /// Something that can provide a set of common URLs within the app group
 ///
@@ -47,6 +47,8 @@ public protocol AppGroupPathProvidable: AnyObject {
 }
 
 public final class AppGroupPathProvider: AppGroupPathProvidable {
+    private let logger = Logger(category: "AppGroupPathProvider")
+
     private let fileManager = FileManager.default
 
     private let realmRootPath: String
@@ -116,7 +118,7 @@ public final class AppGroupPathProvider: AppGroupPathProvidable {
                 ofItemAtPath: groupDirectoryURL.path
             )
         } catch {
-            DDLogError("[AppGroupPathProvider] failed to protect mandatory path :\(error)")
+            logger.error("[AppGroupPathProvider] failed to protect mandatory path :\(error)")
             return nil
         }