diff --git a/Framework/Info.plist b/Framework/Info.plist
index 11b5baf7..df9138c2 100644
--- a/Framework/Info.plist
+++ b/Framework/Info.plist
@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>5.0.0</string>
+	<string>5.0.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
diff --git a/Qonversion.podspec b/Qonversion.podspec
index c9955320..e49262bf 100644
--- a/Qonversion.podspec
+++ b/Qonversion.podspec
@@ -3,7 +3,7 @@ Pod::Spec.new do |s|
   idfa_exclude_files = ['Sources/Qonversion/IDFA']
   s.name         = 'Qonversion'
   s.swift_version = '5.5'
-  s.version      = '5.0.0'
+  s.version      = '5.0.1'
   s.summary      = 'qonversion.io'
   s.description  = <<-DESC
   Deep Analytics for iOS Subscriptions
diff --git a/Sources/Qonversion/Public/QONConfiguration.m b/Sources/Qonversion/Public/QONConfiguration.m
index b918b58e..b88b6882 100644
--- a/Sources/Qonversion/Public/QONConfiguration.m
+++ b/Sources/Qonversion/Public/QONConfiguration.m
@@ -9,7 +9,7 @@
 #import "QONConfiguration.h"
 #import "QNAPIConstants.h"
 
-static NSString *const kSDKVersion = @"5.0.0";
+static NSString *const kSDKVersion = @"5.0.1";
 
 @interface QONConfiguration ()
 
diff --git a/Sources/Qonversion/Public/Qonversion.m b/Sources/Qonversion/Public/Qonversion.m
index 42321fa9..4c160e91 100644
--- a/Sources/Qonversion/Public/Qonversion.m
+++ b/Sources/Qonversion/Public/Qonversion.m
@@ -32,9 +32,17 @@ @interface Qonversion()
 
 @implementation Qonversion
 
+static bool _isInitialized = NO;
+
 // MARK: - Public
 
 + (instancetype)initWithConfig:(QONConfiguration *)configuration {
+  if (_isInitialized) {
+    return [Qonversion sharedInstance];
+  }
+  
+  _isInitialized = YES;
+
   QONConfiguration *configCopy = [configuration copy];
   [Qonversion sharedInstance].debugMode = configCopy.environment == QONEnvironmentSandbox;
   [[QNAPIClient shared] setSDKVersion:configCopy.version];
@@ -51,6 +59,21 @@ + (instancetype)initWithConfig:(QONConfiguration *)configuration {
   return [Qonversion sharedInstance];
 }
 
++ (instancetype)sharedInstance {
+  if (!_isInitialized) {
+    QONVERSION_ERROR(@"Attempt to get Qonversion instance before initialization. Please, call `initWithConfig` first.");
+    return nil;
+  }
+  
+  static id shared = nil;
+  static dispatch_once_t once;
+  dispatch_once(&once, ^{
+    shared = self.new;
+  });
+  
+  return shared;
+}
+
 - (void)launchWithKey:(nonnull NSString *)key completion:(QONLaunchCompletionHandler)completion {
   NSString *userID = [[Qonversion sharedInstance].userInfoService obtainUserID];
   QONVERSION_LOG(@"🚀 Qonversion initialized with userID: %@", userID);
@@ -184,16 +207,6 @@ - (void)handlePurchases:(NSArray<QONStoreKit2PurchaseModel *> *)purchasesInfo co
 
 // MARK: - Private
 
-+ (instancetype)sharedInstance {
-  static id shared = nil;
-  static dispatch_once_t once;
-  dispatch_once(&once, ^{
-    shared = self.new;
-  });
-  
-  return shared;
-}
-
 - (instancetype)init {
   self = super.init;
   if (self) {
diff --git a/Sources/Qonversion/Qonversion/Services/QNAPIClient/QNAPIClient.m b/Sources/Qonversion/Qonversion/Services/QNAPIClient/QNAPIClient.m
index 79761d05..ec7a5765 100644
--- a/Sources/Qonversion/Qonversion/Services/QNAPIClient/QNAPIClient.m
+++ b/Sources/Qonversion/Qonversion/Services/QNAPIClient/QNAPIClient.m
@@ -327,10 +327,10 @@ - (NSDictionary *)enrichParameters:(NSDictionary *)parameters {
   NSMutableDictionary *baseDict = [[NSMutableDictionary alloc] initWithDictionary:_parameters];
   baseDict[@"access_token"] = _apiKey;
 
-  [baseDict setObject:_userID forKey:@"q_uid"];
-  [baseDict setObject:_userID forKey:@"client_uid"];
-  [baseDict setObject:self.version forKey:@"version"];
-  [baseDict setObject:@(self.debug) forKey:@"debug_mode"];
+  baseDict[@"q_uid"] = _userID;
+  baseDict[@"client_uid"] = _userID;
+  baseDict[@"version"] = self.version;
+  baseDict[@"debug_mode"] = @(self.debug);
 
   return [baseDict copy];
 }
diff --git a/fastlane/report.xml b/fastlane/report.xml
index d1f28b82..5ad8f75d 100644
--- a/fastlane/report.xml
+++ b/fastlane/report.xml
@@ -5,12 +5,12 @@
     
     
       
-      <testcase classname="fastlane.lanes" name="0: update_plist" time="0.154141">
+      <testcase classname="fastlane.lanes" name="0: update_plist" time="0.187624">
         
       </testcase>
     
       
-      <testcase classname="fastlane.lanes" name="1: version_bump_podspec" time="0.001534">
+      <testcase classname="fastlane.lanes" name="1: version_bump_podspec" time="0.001514">
         
       </testcase>