diff --git a/build.gradle b/build.gradle
index 75ea8c2..0ee765a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,22 +27,24 @@ dependencies {
 
     compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
     compile 'io.reactivex.rxjava2:rxjava:2.1.1'
-
+    
     provided 'com.android.support:appcompat-v7:26.0.0-beta2'
     provided 'com.android.support:recyclerview-v7:26.0.0-beta2'
 
     provided 'com.squareup.retrofit2:retrofit:2.3.0'
 
-    provided 'com.facebook.fresco:fresco:1.3.0'
+    provided 'com.facebook.fresco:fresco:1.4.0'
     provided 'com.bluelinelabs:logansquare:1.3.7'
 
     provided 'com.scottyab:aes-crypto:0.0.4'
 
-    provided('io.socket:socket.io-client:0.8.3') {
+    // don't use latest(1.0 and above)  because they don't support Socket.IO server 1.x version
+    //noinspection NewerVersionAvailable
+    provided('io.socket:socket.io-client:0.9.0') {
         exclude group: 'org.json', module: 'json'
     }
 
-    provided('com.crashlytics.sdk.android:crashlytics:2.6.7@aar') {
+    provided('com.crashlytics.sdk.android:crashlytics:2.6.8@aar') {
         transitive = true;
     }
 
diff --git a/src/main/java/ru/touchin/templates/ApiModel.java b/src/main/java/ru/touchin/templates/ApiModel.java
index e319d9b..5755445 100644
--- a/src/main/java/ru/touchin/templates/ApiModel.java
+++ b/src/main/java/ru/touchin/templates/ApiModel.java
@@ -52,7 +52,7 @@ public abstract class ApiModel implements Serializable {
      */
     @SuppressWarnings({"PMD.PreserveStackTrace", "PMD.CyclomaticComplexity"})
     // PreserveStackTrace: it's ok - we are logging it on Lc.e()
-    protected static void validateCollection(@NonNull final Collection collection, @NonNull final CollectionValidationRule collectionValidationRule)
+    public static void validateCollection(@NonNull final Collection collection, @NonNull final CollectionValidationRule collectionValidationRule)
             throws ValidationException {
         boolean haveValidItem = false;
         int position = 0;
@@ -117,7 +117,7 @@ public abstract class ApiModel implements Serializable {
         //do nothing
     }
 
-    protected enum CollectionValidationRule {
+    public enum CollectionValidationRule {
         EXCEPTION_IF_ANY_INVALID,
         EXCEPTION_IF_ALL_INVALID,
         REMOVE_INVALID_ITEMS,
diff --git a/src/main/java/ru/touchin/templates/logansquare/LoganSquareEnumConverter.java b/src/main/java/ru/touchin/templates/logansquare/LoganSquareEnumConverter.java
index f94921a..53827f3 100644
--- a/src/main/java/ru/touchin/templates/logansquare/LoganSquareEnumConverter.java
+++ b/src/main/java/ru/touchin/templates/logansquare/LoganSquareEnumConverter.java
@@ -62,7 +62,7 @@ public class LoganSquareEnumConverter<T extends Enum & LoganSquareEnum> extends
         if (defaultValue != null) {
             return defaultValue;
         }
-        throw new ShouldNotHappenException();
+        throw new ShouldNotHappenException("Enum parsing exception for value: " + string);
     }
 
     @Nullable
diff --git a/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java b/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java
index f82f2d0..cceb06b 100644
--- a/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java
+++ b/src/main/java/ru/touchin/templates/retrofit/JsonResponseBodyConverter.java
@@ -24,6 +24,8 @@ import android.support.annotation.NonNull;
 import java.io.IOException;
 import java.io.InterruptedIOException;
 import java.net.SocketException;
+import java.util.Collection;
+import java.util.Map;
 
 import javax.net.ssl.SSLException;
 
@@ -62,17 +64,41 @@ public abstract class JsonResponseBodyConverter<T> implements Converter<Response
         }
 
         if (result instanceof ApiModel) {
-            try {
-                ((ApiModel) result).validate();
-            } catch (final ApiModel.ValidationException validationException) {
-                Lc.assertion(validationException);
-                throw validationException;
-            }
+            validateModel((ApiModel) result);
+        }
+        if (result instanceof Collection) {
+            validateCollection((Collection) result);
+        }
+        if (result instanceof Map) {
+            validateCollection(((Map)result).values());
         }
 
         return result;
     }
 
+    private void validateModel(@NonNull final ApiModel result) throws IOException {
+        try {
+            result.validate();
+        } catch (final ApiModel.ValidationException validationException) {
+            Lc.assertion(validationException);
+            throw validationException;
+        }
+    }
+
+    private void validateCollection(@NonNull final Collection result) throws IOException {
+        try {
+            ApiModel.validateCollection(result, getValidateCollectionRule());
+        } catch (final ApiModel.ValidationException validationException) {
+            Lc.assertion(validationException);
+            throw validationException;
+        }
+    }
+
+    @NonNull
+    protected ApiModel.CollectionValidationRule getValidateCollectionRule() {
+        return ApiModel.CollectionValidationRule.EXCEPTION_IF_ANY_INVALID;
+    }
+
     /**
      * Parses response to specific object.
      *