diff --git a/HostApp/HostApp.xcodeproj/project.pbxproj b/HostApp/HostApp.xcodeproj/project.pbxproj
index 76052c1..504c930 100644
--- a/HostApp/HostApp.xcodeproj/project.pbxproj
+++ b/HostApp/HostApp.xcodeproj/project.pbxproj
@@ -217,8 +217,6 @@
 		A5A9AF5054D0FF13505B212A /* AmplifyConfig */ = {
 			isa = PBXGroup;
 			children = (
-				973619242BA378690003A590 /* awsconfiguration.json */,
-				973619232BA378690003A590 /* amplifyconfiguration.json */,
 			);
 			name = AmplifyConfig;
 			sourceTree = "<group>";
@@ -536,7 +534,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"HostApp/Preview Content\"";
-				DEVELOPMENT_TEAM = W3DRXD72QU;
+				DEVELOPMENT_TEAM = N75V292K74;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = HostApp/Info.plist;
@@ -552,7 +550,7 @@
 					"@executable_path/Frameworks",
 				);
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.amazonaws.mobile.amplify.liveness.testing.hostapp;
+				PRODUCT_BUNDLE_IDENTIFIER = com.aws.amplify.liveness.testing.hostapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG LANDMARK_DEBUG_MODE";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -570,7 +568,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"HostApp/Preview Content\"";
-				DEVELOPMENT_TEAM = W3DRXD72QU;
+				DEVELOPMENT_TEAM = N75V292K74;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = HostApp/Info.plist;
@@ -586,7 +584,7 @@
 					"@executable_path/Frameworks",
 				);
 				MARKETING_VERSION = 1.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.amazonaws.mobile.amplify.liveness.testing.hostapp;
+				PRODUCT_BUNDLE_IDENTIFIER = com.aws.amplify.liveness.testing.hostapp;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_VERSION = 5.0;
diff --git a/HostApp/HostApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/HostApp/HostApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index a47e606..8749740 100644
--- a/HostApp/HostApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/HostApp/HostApp.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/aws-amplify/amplify-swift",
       "state" : {
-        "revision" : "7fa7abdb9daf25bdd97cc4fbcdd0d5a5cc9c4bf1",
-        "version" : "2.49.0"
+        "revision" : "c249f3674ad9eb80d7ff6c8da11bddfb46eab739",
+        "version" : "2.51.0"
       }
     },
     {
@@ -23,8 +23,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/awslabs/aws-crt-swift",
       "state" : {
-        "revision" : "74d970dde8a0d6b2fe1d8374767ca9793088ce2c",
-        "version" : "0.48.0"
+        "revision" : "5be6550f81c760cceb0a43c30d4149ac55c5640c",
+        "version" : "0.52.1"
       }
     },
     {
@@ -32,8 +32,35 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/awslabs/aws-sdk-swift",
       "state" : {
-        "revision" : "104958a898543582bb01102616bf5d61ed237352",
-        "version" : "1.2.59"
+        "revision" : "8b5336764297d34157bd580374b5f6e182746759",
+        "version" : "1.5.18"
+      }
+    },
+    {
+      "identity" : "grpc-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/grpc/grpc-swift.git",
+      "state" : {
+        "revision" : "a56a157218877ef3e9625f7e1f7b2cb7e46ead1b",
+        "version" : "1.26.1"
+      }
+    },
+    {
+      "identity" : "opentelemetry-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/open-telemetry/opentelemetry-swift",
+      "state" : {
+        "revision" : "ef63c346d05f4fa7c9ca883f92631fd139eb2cfe",
+        "version" : "1.17.1"
+      }
+    },
+    {
+      "identity" : "opentracing-objc",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/undefinedlabs/opentracing-objc",
+      "state" : {
+        "revision" : "18c1a35ca966236cee0c5a714a51a73ff33384c1",
+        "version" : "0.5.2"
       }
     },
     {
@@ -41,8 +68,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/smithy-lang/smithy-swift",
       "state" : {
-        "revision" : "755367ae4e10004f8b5a94fbfdf3f638a1f225bc",
-        "version" : "0.125.0"
+        "revision" : "a6cac0739d76ef08e2d927febc682d9898e76fe2",
+        "version" : "0.152.0"
       }
     },
     {
@@ -54,6 +81,96 @@
         "version" : "0.15.3"
       }
     },
+    {
+      "identity" : "swift-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-algorithms.git",
+      "state" : {
+        "revision" : "87e50f483c54e6efd60e885f7f5aa946cee68023",
+        "version" : "1.2.1"
+      }
+    },
+    {
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser.git",
+      "state" : {
+        "revision" : "309a47b2b1d9b5e991f36961c983ecec72275be3",
+        "version" : "1.6.1"
+      }
+    },
+    {
+      "identity" : "swift-asn1",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-asn1.git",
+      "state" : {
+        "revision" : "f70225981241859eb4aa1a18a75531d26637c8cc",
+        "version" : "1.4.0"
+      }
+    },
+    {
+      "identity" : "swift-async-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-async-algorithms.git",
+      "state" : {
+        "revision" : "042e1c4d9d19748c9c228f8d4ebc97bb1e339b0b",
+        "version" : "1.0.4"
+      }
+    },
+    {
+      "identity" : "swift-atomics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-atomics.git",
+      "state" : {
+        "revision" : "b601256eab081c0f92f059e12818ac1d4f178ff7",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-certificates",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-certificates.git",
+      "state" : {
+        "revision" : "4b092f15164144c24554e0a75e080a960c5190a6",
+        "version" : "1.14.0"
+      }
+    },
+    {
+      "identity" : "swift-collections",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-collections.git",
+      "state" : {
+        "revision" : "7b847a3b7008b2dc2f47ca3110d8c782fb2e5c7e",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-crypto",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-crypto.git",
+      "state" : {
+        "revision" : "95ba0316a9b733e92bb6b071255ff46263bbe7dc",
+        "version" : "3.15.1"
+      }
+    },
+    {
+      "identity" : "swift-http-structured-headers",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-http-structured-headers.git",
+      "state" : {
+        "revision" : "1625f271afb04375bf48737a5572613248d0e7a0",
+        "version" : "1.4.0"
+      }
+    },
+    {
+      "identity" : "swift-http-types",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-http-types.git",
+      "state" : {
+        "revision" : "a0a57e949a8903563aba4615869310c0ebf14c03",
+        "version" : "1.4.0"
+      }
+    },
     {
       "identity" : "swift-log",
       "kind" : "remoteSourceControl",
@@ -62,6 +179,105 @@
         "revision" : "3d8596ed08bd13520157f0355e35caed215ffbfa",
         "version" : "1.6.3"
       }
+    },
+    {
+      "identity" : "swift-metrics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-metrics.git",
+      "state" : {
+        "revision" : "0743a9364382629da3bf5677b46a2c4b1ce5d2a6",
+        "version" : "2.7.1"
+      }
+    },
+    {
+      "identity" : "swift-nio",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio.git",
+      "state" : {
+        "revision" : "a18bddb0acf7a40d982b2f128ce73ce4ee31f352",
+        "version" : "2.86.2"
+      }
+    },
+    {
+      "identity" : "swift-nio-extras",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-extras.git",
+      "state" : {
+        "revision" : "a55c3dd3a81d035af8a20ce5718889c0dcab073d",
+        "version" : "1.29.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-http2",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-http2.git",
+      "state" : {
+        "revision" : "5e9e99ec96c53bc2c18ddd10c1e25a3cd97c55e5",
+        "version" : "1.38.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-ssl",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-ssl.git",
+      "state" : {
+        "revision" : "b2b043a8810ab6d51b3ff4df17f057d87ef1ec7c",
+        "version" : "2.34.1"
+      }
+    },
+    {
+      "identity" : "swift-nio-transport-services",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-transport-services.git",
+      "state" : {
+        "revision" : "e645014baea2ec1c2db564410c51a656cf47c923",
+        "version" : "1.25.1"
+      }
+    },
+    {
+      "identity" : "swift-numerics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-numerics.git",
+      "state" : {
+        "revision" : "0c0290ff6b24942dadb83a929ffaaa1481df04a2",
+        "version" : "1.1.1"
+      }
+    },
+    {
+      "identity" : "swift-protobuf",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-protobuf.git",
+      "state" : {
+        "revision" : "2547102afd04fe49f1b286090f13ebce07284980",
+        "version" : "1.31.1"
+      }
+    },
+    {
+      "identity" : "swift-service-lifecycle",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/swift-server/swift-service-lifecycle.git",
+      "state" : {
+        "revision" : "e7187309187695115033536e8fc9b2eb87fd956d",
+        "version" : "2.8.0"
+      }
+    },
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "395a77f0aa927f0ff73941d7ac35f2b46d47c9db",
+        "version" : "1.6.3"
+      }
+    },
+    {
+      "identity" : "thrift-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/undefinedlabs/Thrift-Swift",
+      "state" : {
+        "revision" : "18ff09e6b30e589ed38f90a1af23e193b8ecef8e",
+        "version" : "1.1.2"
+      }
     }
   ],
   "version" : 2
diff --git a/Package.resolved b/Package.resolved
index 3ecb0a7..0ff5d7d 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -5,8 +5,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/aws-amplify/amplify-swift",
       "state" : {
-        "revision" : "bdf99fd638bc8da9159c46acb93a3c57f92ce180",
-        "version" : "2.49.1"
+        "revision" : "cfdda779c9bc699447b84a8afd9c234ace4f5ffd",
+        "version" : "2.51.1"
       }
     },
     {
@@ -23,8 +23,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/awslabs/aws-crt-swift",
       "state" : {
-        "revision" : "74d970dde8a0d6b2fe1d8374767ca9793088ce2c",
-        "version" : "0.48.0"
+        "revision" : "5be6550f81c760cceb0a43c30d4149ac55c5640c",
+        "version" : "0.52.1"
       }
     },
     {
@@ -32,8 +32,35 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/awslabs/aws-sdk-swift",
       "state" : {
-        "revision" : "104958a898543582bb01102616bf5d61ed237352",
-        "version" : "1.2.59"
+        "revision" : "8b5336764297d34157bd580374b5f6e182746759",
+        "version" : "1.5.18"
+      }
+    },
+    {
+      "identity" : "grpc-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/grpc/grpc-swift.git",
+      "state" : {
+        "revision" : "a56a157218877ef3e9625f7e1f7b2cb7e46ead1b",
+        "version" : "1.26.1"
+      }
+    },
+    {
+      "identity" : "opentelemetry-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/open-telemetry/opentelemetry-swift",
+      "state" : {
+        "revision" : "ef63c346d05f4fa7c9ca883f92631fd139eb2cfe",
+        "version" : "1.17.1"
+      }
+    },
+    {
+      "identity" : "opentracing-objc",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/undefinedlabs/opentracing-objc",
+      "state" : {
+        "revision" : "18c1a35ca966236cee0c5a714a51a73ff33384c1",
+        "version" : "0.5.2"
       }
     },
     {
@@ -41,8 +68,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/smithy-lang/smithy-swift",
       "state" : {
-        "revision" : "755367ae4e10004f8b5a94fbfdf3f638a1f225bc",
-        "version" : "0.125.0"
+        "revision" : "a6cac0739d76ef08e2d927febc682d9898e76fe2",
+        "version" : "0.152.0"
       }
     },
     {
@@ -54,6 +81,96 @@
         "version" : "0.15.3"
       }
     },
+    {
+      "identity" : "swift-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-algorithms.git",
+      "state" : {
+        "revision" : "87e50f483c54e6efd60e885f7f5aa946cee68023",
+        "version" : "1.2.1"
+      }
+    },
+    {
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser.git",
+      "state" : {
+        "revision" : "309a47b2b1d9b5e991f36961c983ecec72275be3",
+        "version" : "1.6.1"
+      }
+    },
+    {
+      "identity" : "swift-asn1",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-asn1.git",
+      "state" : {
+        "revision" : "f70225981241859eb4aa1a18a75531d26637c8cc",
+        "version" : "1.4.0"
+      }
+    },
+    {
+      "identity" : "swift-async-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-async-algorithms.git",
+      "state" : {
+        "revision" : "042e1c4d9d19748c9c228f8d4ebc97bb1e339b0b",
+        "version" : "1.0.4"
+      }
+    },
+    {
+      "identity" : "swift-atomics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-atomics.git",
+      "state" : {
+        "revision" : "b601256eab081c0f92f059e12818ac1d4f178ff7",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-certificates",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-certificates.git",
+      "state" : {
+        "revision" : "4b092f15164144c24554e0a75e080a960c5190a6",
+        "version" : "1.14.0"
+      }
+    },
+    {
+      "identity" : "swift-collections",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-collections.git",
+      "state" : {
+        "revision" : "7b847a3b7008b2dc2f47ca3110d8c782fb2e5c7e",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-crypto",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-crypto.git",
+      "state" : {
+        "revision" : "95ba0316a9b733e92bb6b071255ff46263bbe7dc",
+        "version" : "3.15.1"
+      }
+    },
+    {
+      "identity" : "swift-http-structured-headers",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-http-structured-headers.git",
+      "state" : {
+        "revision" : "1625f271afb04375bf48737a5572613248d0e7a0",
+        "version" : "1.4.0"
+      }
+    },
+    {
+      "identity" : "swift-http-types",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-http-types.git",
+      "state" : {
+        "revision" : "a0a57e949a8903563aba4615869310c0ebf14c03",
+        "version" : "1.4.0"
+      }
+    },
     {
       "identity" : "swift-log",
       "kind" : "remoteSourceControl",
@@ -62,6 +179,105 @@
         "revision" : "3d8596ed08bd13520157f0355e35caed215ffbfa",
         "version" : "1.6.3"
       }
+    },
+    {
+      "identity" : "swift-metrics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-metrics.git",
+      "state" : {
+        "revision" : "0743a9364382629da3bf5677b46a2c4b1ce5d2a6",
+        "version" : "2.7.1"
+      }
+    },
+    {
+      "identity" : "swift-nio",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio.git",
+      "state" : {
+        "revision" : "a18bddb0acf7a40d982b2f128ce73ce4ee31f352",
+        "version" : "2.86.2"
+      }
+    },
+    {
+      "identity" : "swift-nio-extras",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-extras.git",
+      "state" : {
+        "revision" : "a55c3dd3a81d035af8a20ce5718889c0dcab073d",
+        "version" : "1.29.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-http2",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-http2.git",
+      "state" : {
+        "revision" : "5e9e99ec96c53bc2c18ddd10c1e25a3cd97c55e5",
+        "version" : "1.38.0"
+      }
+    },
+    {
+      "identity" : "swift-nio-ssl",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-ssl.git",
+      "state" : {
+        "revision" : "b2b043a8810ab6d51b3ff4df17f057d87ef1ec7c",
+        "version" : "2.34.1"
+      }
+    },
+    {
+      "identity" : "swift-nio-transport-services",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-nio-transport-services.git",
+      "state" : {
+        "revision" : "e645014baea2ec1c2db564410c51a656cf47c923",
+        "version" : "1.25.1"
+      }
+    },
+    {
+      "identity" : "swift-numerics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-numerics.git",
+      "state" : {
+        "revision" : "0c0290ff6b24942dadb83a929ffaaa1481df04a2",
+        "version" : "1.1.1"
+      }
+    },
+    {
+      "identity" : "swift-protobuf",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-protobuf.git",
+      "state" : {
+        "revision" : "2547102afd04fe49f1b286090f13ebce07284980",
+        "version" : "1.31.1"
+      }
+    },
+    {
+      "identity" : "swift-service-lifecycle",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/swift-server/swift-service-lifecycle.git",
+      "state" : {
+        "revision" : "e7187309187695115033536e8fc9b2eb87fd956d",
+        "version" : "2.8.0"
+      }
+    },
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system.git",
+      "state" : {
+        "revision" : "395a77f0aa927f0ff73941d7ac35f2b46d47c9db",
+        "version" : "1.6.3"
+      }
+    },
+    {
+      "identity" : "thrift-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/undefinedlabs/Thrift-Swift",
+      "state" : {
+        "revision" : "18ff09e6b30e589ed38f90a1af23e193b8ecef8e",
+        "version" : "1.1.2"
+      }
     }
   ],
   "version" : 2
diff --git a/Package.swift b/Package.swift
index 7ea6edc..6180ebb 100644
--- a/Package.swift
+++ b/Package.swift
@@ -13,7 +13,7 @@ let package = Package(
             targets: ["FaceLiveness"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/aws-amplify/amplify-swift", from: "2.49.0")
+        .package(url: "https://github.com/aws-amplify/amplify-swift", from: "2.51.0")
     ],
     targets: [
         .target(
diff --git a/Sources/FaceLiveness/Views/Liveness/FaceLivenessDetectionViewModel.swift b/Sources/FaceLiveness/Views/Liveness/FaceLivenessDetectionViewModel.swift
index ee49368..f1a3d0c 100644
--- a/Sources/FaceLiveness/Views/Liveness/FaceLivenessDetectionViewModel.swift
+++ b/Sources/FaceLiveness/Views/Liveness/FaceLivenessDetectionViewModel.swift
@@ -115,10 +115,11 @@ class FaceLivenessDetectionViewModel: ObservableObject {
                 DispatchQueue.main.async {
                     self?.livenessState.complete()
                 }
-            case .unexpectedClosure:
+            case .unexpectedClosure(let error):
                 DispatchQueue.main.async {
-                    self?.livenessState
-                        .unrecoverableStateEncountered(.socketClosed)
+                    // known liveness errors already set `livenessState`
+                    guard !error.isKnownLivenessError() else { return }
+                    self?.livenessState.unrecoverableStateEncountered(.socketClosed)
                 }
             }
         })
diff --git a/Sources/FaceLiveness/Views/Liveness/LivenessStateMachine.swift b/Sources/FaceLiveness/Views/Liveness/LivenessStateMachine.swift
index 62e563e..a484015 100644
--- a/Sources/FaceLiveness/Views/Liveness/LivenessStateMachine.swift
+++ b/Sources/FaceLiveness/Views/Liveness/LivenessStateMachine.swift
@@ -180,4 +180,8 @@ extension URLSessionWebSocketTask.CloseCode {
     static let viewClosure = URLSessionWebSocketTask.CloseCode(rawValue: 4004)
     static let unexpectedRuntimeError = URLSessionWebSocketTask.CloseCode(rawValue: 4005)
     static let missingVideoPermission = URLSessionWebSocketTask.CloseCode(rawValue: 4006)
+    
+    func isKnownLivenessError() -> Bool {
+        return (4001...4006).contains(self.rawValue)
+    }
 }