diff --git a/app/build.gradle b/app/build.gradle
index a02367c1..bc714a21 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -15,8 +15,8 @@ android {
         applicationId "com.hegocre.nextcloudpasswords"
         minSdk 24
         targetSdk 34
-        versionCode 17
-        versionName "1.0.5"
+        versionCode 18
+        versionName "1.0.6"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/api/ApiController.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/api/ApiController.kt
index c0fd0820..cbaa148f 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/api/ApiController.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/api/ApiController.kt
@@ -26,6 +26,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 /**
  * Class with methods used to interact with [the API](https://git.mdns.eu/nextcloud/passwords/-/wikis/Developers/Api)
@@ -127,7 +128,7 @@ class ApiController private constructor(context: Context) {
         PWDv1ChallengeMasterKeyNeededException::class,
         PWDv1ChallengeMasterKeyInvalidException::class
     )
-    suspend fun openSession(masterPassword: String?): Boolean {
+    suspend fun openSession(masterPassword: String?): Boolean = withContext(Dispatchers.Default) {
         decryptCSEv1Keychain(
             preferencesManager.getCSEv1Keychain(),
             masterPassword
@@ -165,13 +166,13 @@ class ApiController private constructor(context: Context) {
                     )
                 }
             }
-            return false
+            return@withContext false
         }
 
         val secret = if (secretResult is Result.Success) {
             secretResult.data
         } else {
-            return if (secretResult is Result.Error && secretResult.code == Error.API_NO_CSE) {
+            return@withContext if (secretResult is Result.Error && secretResult.code == Error.API_NO_CSE) {
                 // No encryption, we need no session
                 // Clear old keychain, if CSE was disabled
                 preferencesManager.setCSEv1Keychain(null)
@@ -201,7 +202,7 @@ class ApiController private constructor(context: Context) {
                     )
                 }
             }
-            return false
+            return@withContext false
         }
 
         preferencesManager.setCSEv1Keychain(encryptedKeychainJson)
@@ -215,7 +216,7 @@ class ApiController private constructor(context: Context) {
         sessionCode = newSessionCode
 
         _sessionOpen.emit(true)
-        return true
+        return@withContext true
     }
 
     /**
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/api/FoldersApi.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/api/FoldersApi.kt
index 760516a9..64ead07b 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/api/FoldersApi.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/api/FoldersApi.kt
@@ -46,7 +46,7 @@ class FoldersApi private constructor(private var server: Server) {
 
 
             val code = apiResponse.code
-            val body = apiResponse.body?.string()
+            val body = withContext(Dispatchers.IO) { apiResponse.body?.string() }
             withContext(Dispatchers.IO) {
                 apiResponse.close()
             }
@@ -107,9 +107,7 @@ class FoldersApi private constructor(private var server: Server) {
                 return Result.Error(Error.API_BAD_RESPONSE)
             }
 
-            withContext(Dispatchers.Default) {
-                Result.Success(Unit)
-            }
+            Result.Success(Unit)
         } catch (e: SocketTimeoutException) {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace()
@@ -161,9 +159,7 @@ class FoldersApi private constructor(private var server: Server) {
                 return Result.Error(Error.API_BAD_RESPONSE)
             }
 
-            withContext(Dispatchers.Default) {
-                Result.Success(Unit)
-            }
+            Result.Success(Unit)
         } catch (e: SocketTimeoutException) {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace()
@@ -214,9 +210,7 @@ class FoldersApi private constructor(private var server: Server) {
                 return Result.Error(Error.API_BAD_RESPONSE)
             }
 
-            withContext(Dispatchers.Default) {
-                Result.Success(Unit)
-            }
+            Result.Success(Unit)
         } catch (e: SocketTimeoutException) {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace()
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/api/PasswordsApi.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/api/PasswordsApi.kt
index 797c5385..96ce013f 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/api/PasswordsApi.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/api/PasswordsApi.kt
@@ -45,7 +45,7 @@ class PasswordsApi private constructor(private var server: Server) {
             }
 
             val code = apiResponse.code
-            val body = apiResponse.body?.string()
+            val body = withContext(Dispatchers.IO) { apiResponse.body?.string() }
             withContext(Dispatchers.IO) {
                 apiResponse.close()
             }
@@ -108,9 +108,7 @@ class PasswordsApi private constructor(private var server: Server) {
                 return Result.Error(Error.API_BAD_RESPONSE)
             }
 
-            withContext(Dispatchers.Default) {
-                Result.Success(Unit)
-            }
+            Result.Success(Unit)
         } catch (e: SocketTimeoutException) {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace()
@@ -162,9 +160,7 @@ class PasswordsApi private constructor(private var server: Server) {
                 return Result.Error(Error.API_BAD_RESPONSE)
             }
 
-            withContext(Dispatchers.Default) {
-                Result.Success(Unit)
-            }
+            Result.Success(Unit)
         } catch (e: SocketTimeoutException) {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace()
@@ -215,9 +211,7 @@ class PasswordsApi private constructor(private var server: Server) {
                 return Result.Error(Error.API_BAD_RESPONSE)
             }
 
-            withContext(Dispatchers.Default) {
-                Result.Success(Unit)
-            }
+            Result.Success(Unit)
         } catch (e: SocketTimeoutException) {
             if (BuildConfig.DEBUG) {
                 e.printStackTrace()
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/api/ServiceApi.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/api/ServiceApi.kt
index fbba84f7..8137ae49 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/api/ServiceApi.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/api/ServiceApi.kt
@@ -39,7 +39,7 @@ class ServiceApi private constructor(private val server: Server) {
             }
 
             val code = apiResponse.code
-            val body = apiResponse.body?.string()
+            val body = withContext(Dispatchers.IO) { apiResponse.body?.string() }
             withContext(Dispatchers.IO) {
                 apiResponse.close()
             }
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/api/SessionApi.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/api/SessionApi.kt
index c3dbe20d..85d319b9 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/api/SessionApi.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/api/SessionApi.kt
@@ -51,7 +51,7 @@ class SessionApi private constructor(private var server: Server) {
             }
 
             val code = apiResponse.code
-            val body = apiResponse.body?.string()
+            val body = withContext(Dispatchers.IO) { apiResponse.body?.string() }
 
             withContext(Dispatchers.IO) {
                 apiResponse.close()
@@ -100,7 +100,7 @@ class SessionApi private constructor(private var server: Server) {
                 )
             }
 
-            val body = apiResponse.body?.string()
+            val body = withContext(Dispatchers.IO) { apiResponse.body?.string() }
             val code = apiResponse.code
 
             val xSessionCode = apiResponse.header("x-api-session", null)
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/api/SettingsApi.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/api/SettingsApi.kt
index ba49c786..dc0e5157 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/api/SettingsApi.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/api/SettingsApi.kt
@@ -31,7 +31,7 @@ class SettingsApi private constructor(private val server: Server) {
             }
 
             val code = apiResponse.code
-            val body = apiResponse.body?.string()
+            val body = withContext(Dispatchers.IO) { apiResponse.body?.string() }
 
             withContext(Dispatchers.IO) {
                 apiResponse.close()
diff --git a/app/src/main/java/com/hegocre/nextcloudpasswords/utils/OkHttpRequest.kt b/app/src/main/java/com/hegocre/nextcloudpasswords/utils/OkHttpRequest.kt
index 001b459b..0978243d 100644
--- a/app/src/main/java/com/hegocre/nextcloudpasswords/utils/OkHttpRequest.kt
+++ b/app/src/main/java/com/hegocre/nextcloudpasswords/utils/OkHttpRequest.kt
@@ -191,8 +191,11 @@ class OkHttpRequest private constructor() {
         val JSON = "application/json; charset=utf-8".toMediaTypeOrNull()
 
         fun getInstance(): OkHttpRequest {
-            if (instance == null) instance = OkHttpRequest()
-            return instance as OkHttpRequest
+            synchronized(this) {
+                if (instance == null) instance = OkHttpRequest()
+
+                return instance as OkHttpRequest
+            }
         }
     }
 }
\ No newline at end of file