diff --git a/server/build.gradle b/server/build.gradle
index 3da2aa2d..a94b18bf 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -1,6 +1,7 @@
 configurations.all {
     resolutionStrategy {
-        force 'com.google.code.gson:gson:2.8.9'
+        force 'com.google.code.gson:gson:2.11.0'
+        force 'io.netty:netty-handler:4.1.118.Final'
     }
 }
 
@@ -25,8 +26,8 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.15.2'
     implementation 'com.auth0:java-jwt:4.4.0'
     implementation 'com.auth0:jwks-rsa:0.22.1'
-    implementation 'org.apache.jclouds:jclouds-allblobstore:2.5.0'
-    implementation 'org.apache.jclouds.api:filesystem:2.5.0'
+    implementation 'org.apache.jclouds:jclouds-allblobstore:2.7.0'
+    implementation 'org.apache.jclouds.api:filesystem:2.7.0'
     implementation 'org.redisson:redisson:3.27.0'
     implementation 'com.networknt:json-schema-validator:1.5.2'
     implementation group: 'com.amazonaws', name: 'aws-java-sdk-core', version: '1.12.663'
diff --git a/server/src/main/java/com/epam/aidial/core/server/util/ResourceDescriptorFactory.java b/server/src/main/java/com/epam/aidial/core/server/util/ResourceDescriptorFactory.java
index 06374d88..b78b9888 100644
--- a/server/src/main/java/com/epam/aidial/core/server/util/ResourceDescriptorFactory.java
+++ b/server/src/main/java/com/epam/aidial/core/server/util/ResourceDescriptorFactory.java
@@ -16,7 +16,7 @@
 
 public class ResourceDescriptorFactory {
 
-    private static final Set<Character> INVALID_FILE_NAME_CHARS = Set.of('/', '{', '}');
+    private static final Set<Character> INVALID_FILE_NAME_CHARS = Set.of('/', '{', '}', '"');
     private static final int MAX_PATH_SIZE = 900;
 
     /**
diff --git a/server/src/test/java/com/epam/aidial/core/server/PublicationApiTest.java b/server/src/test/java/com/epam/aidial/core/server/PublicationApiTest.java
index 1f084ec0..04b85457 100644
--- a/server/src/test/java/com/epam/aidial/core/server/PublicationApiTest.java
+++ b/server/src/test/java/com/epam/aidial/core/server/PublicationApiTest.java
@@ -931,15 +931,24 @@ void testResourceList() {
                   "resourceType" : "CONVERSATION",
                   "permissions" : [ "READ" ],
                   "items" : [ {
-                    "name" : "conversation1",
-                    "parentPath" : "folder1",
-                    "bucket" : "public",
-                    "url" : "conversations/public/folder1/conversation1",
-                    "nodeType" : "ITEM",
-                    "resourceType" : "CONVERSATION",
-                    "updatedAt" : "@ignore",
-                    "permissions" : [ "READ" ]
-                  } ]
+                         "name" : "folder1",
+                         "parentPath" : null,
+                         "bucket" : "public",
+                         "url" : "conversations/public/folder1/",
+                         "nodeType" : "FOLDER",
+                         "resourceType" : "CONVERSATION",
+                         "permissions" : [ "READ" ],
+                         "items" : null
+                       }, {
+                         "name" : "conversation1",
+                         "parentPath" : "folder1",
+                         "bucket" : "public",
+                         "url" : "conversations/public/folder1/conversation1",
+                         "nodeType" : "ITEM",
+                         "resourceType" : "CONVERSATION",
+                         "permissions" : [ "READ" ],
+                         "updatedAt" : "@ignore"
+                       } ]
                 }
                 """);
 
@@ -988,24 +997,42 @@ void testResourceList() {
                   "resourceType" : "CONVERSATION",
                   "permissions" : [ "READ", "WRITE" ],
                   "items" : [ {
-                    "name" : "conversation1",
-                    "parentPath" : "folder1",
-                    "bucket" : "public",
-                    "url" : "conversations/public/folder1/conversation1",
-                    "nodeType" : "ITEM",
-                    "resourceType" : "CONVERSATION",
-                    "updatedAt" : "@ignore",
-                    "permissions" : [ "READ", "WRITE" ]
-                  }, {
-                    "name" : "conversation2",
-                    "parentPath" : "folder2",
-                    "bucket" : "public",
-                    "url" : "conversations/public/folder2/conversation2",
-                    "nodeType" : "ITEM",
-                    "resourceType" : "CONVERSATION",
-                    "updatedAt" : "@ignore",
-                    "permissions" : [ "READ", "WRITE" ]
-                  } ]
+                         "name" : "folder1",
+                         "parentPath" : null,
+                         "bucket" : "public",
+                         "url" : "conversations/public/folder1/",
+                         "nodeType" : "FOLDER",
+                         "resourceType" : "CONVERSATION",
+                         "permissions" : [ "READ", "WRITE" ],
+                         "items" : null
+                       }, {
+                         "name" : "conversation1",
+                         "parentPath" : "folder1",
+                         "bucket" : "public",
+                         "url" : "conversations/public/folder1/conversation1",
+                         "nodeType" : "ITEM",
+                         "resourceType" : "CONVERSATION",
+                         "permissions" : [ "READ", "WRITE" ],
+                         "updatedAt" : "@ignore"
+                       }, {
+                         "name" : "folder2",
+                         "parentPath" : null,
+                         "bucket" : "public",
+                         "url" : "conversations/public/folder2/",
+                         "nodeType" : "FOLDER",
+                         "resourceType" : "CONVERSATION",
+                         "permissions" : [ "READ", "WRITE" ],
+                         "items" : null
+                       }, {
+                         "name" : "conversation2",
+                         "parentPath" : "folder2",
+                         "bucket" : "public",
+                         "url" : "conversations/public/folder2/conversation2",
+                         "nodeType" : "ITEM",
+                         "resourceType" : "CONVERSATION",
+                         "permissions" : [ "READ", "WRITE" ],
+                         "updatedAt" : "@ignore"
+                       } ]
                 }
                 """);
     }
diff --git a/server/src/test/java/com/epam/aidial/core/server/util/ResourceDescriptorFactoryTest.java b/server/src/test/java/com/epam/aidial/core/server/util/ResourceDescriptorFactoryTest.java
index 0c13773e..d3d33d50 100644
--- a/server/src/test/java/com/epam/aidial/core/server/util/ResourceDescriptorFactoryTest.java
+++ b/server/src/test/java/com/epam/aidial/core/server/util/ResourceDescriptorFactoryTest.java
@@ -159,6 +159,8 @@ public void testResourceWithInvalidFilename() {
                 () -> ResourceDescriptorFactory.fromEncoded(ResourceTypes.FILE, "bucket", "location/", "fol%0Fder1"));
         assertThrows(IllegalArgumentException.class,
                 () -> ResourceDescriptorFactory.fromEncoded(ResourceTypes.FILE, "bucket", "location/", "//file.txt"));
+        assertThrows(IllegalArgumentException.class,
+                () -> ResourceDescriptorFactory.fromEncoded(ResourceTypes.FILE, "bucket", "location/", "folder1%22"));
     }
 
     @Test
diff --git a/storage/build.gradle b/storage/build.gradle
index cf69a517..8f1479b1 100644
--- a/storage/build.gradle
+++ b/storage/build.gradle
@@ -1,6 +1,7 @@
 configurations.all {
     resolutionStrategy {
         force 'com.google.code.gson:gson:2.8.9'
+        force 'io.netty:netty-handler:4.1.118.Final'
     }
 }
 
@@ -10,8 +11,8 @@ dependencies {
     implementation 'org.slf4j:slf4j-api:1.7.32'
     implementation 'org.apache.commons:commons-lang3:3.12.0'
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.15.2'
-    implementation 'org.apache.jclouds:jclouds-allblobstore:2.5.0'
-    implementation 'org.apache.jclouds.api:filesystem:2.5.0'
+    implementation 'org.apache.jclouds:jclouds-allblobstore:2.7.0'
+    implementation 'org.apache.jclouds.api:filesystem:2.7.0'
     implementation 'org.redisson:redisson:3.27.0'
     implementation group: 'com.amazonaws', name: 'aws-java-sdk-core', version: '1.12.663'
     implementation group: 'com.amazonaws', name: 'aws-java-sdk-sts', version: '1.12.663'