diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49f696735e..0bbbc0ccb7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@
 
 * `Common`:
     * `Version`:
-        * `MicroUtils`: `0.4.16` -> `0.4.19`
+        * `MicroUtils`: `0.4.16` -> `0.4.21`
 * `Core`:
     * **BREAKING CHANGE** Now `MediaGroupMessage` have a generic type related to `MediaGroupContent`
         * Methods and types related to `MediaGroupMessage` have been modified according to their meanings
diff --git a/gradle.properties b/gradle.properties
index 2f911f8bab..5017be276e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,7 +12,7 @@ klock_version=2.0.3
 uuid_version=0.2.3
 ktor_version=1.5.0
 
-micro_utils_version=0.4.20
+micro_utils_version=0.4.21
 
 javax_activation_version=1.1.1
 
diff --git a/tgbotapi.core/build.gradle b/tgbotapi.core/build.gradle
index d38ff75ff5..dbb55557e9 100644
--- a/tgbotapi.core/build.gradle
+++ b/tgbotapi.core/build.gradle
@@ -46,6 +46,7 @@ kotlin {
                 api "com.soywiz.korlibs.klock:klock:$klock_version"
                 api "com.benasher44:uuid:$uuid_version"
 
+                api "dev.inmo:micro_utils.crypto:$micro_utils_version"
                 api "dev.inmo:micro_utils.coroutines:$micro_utils_version"
                 api "dev.inmo:micro_utils.serialization.base64:$micro_utils_version"
                 api "dev.inmo:micro_utils.serialization.encapsulator:$micro_utils_version"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/PassportElementError.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/PassportElementError.kt
index 5fa154736a..a3cf28594a 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/PassportElementError.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/PassportElementError.kt
@@ -2,6 +2,8 @@
 
 package dev.inmo.tgbotapi.types.passport
 
+import dev.inmo.micro_utils.crypto.MD5
+import dev.inmo.micro_utils.crypto.md5
 import dev.inmo.micro_utils.serialization.base64.Base64StringSerializer
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.passport.encrypted_data.abstracts.*
@@ -13,6 +15,9 @@ import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 import kotlinx.serialization.json.*
 
+val ByteArray.passportFileHash: MD5
+    get() = md5()
+
 @Serializable(PassportElementErrorSerializer::class)
 sealed class PassportElementError {
     abstract val source: String
diff --git a/tgbotapi.core/src/jvmMain/kotlin/dev/inmo/tgbotapi/types/passport/FileHashes.kt b/tgbotapi.core/src/jvmMain/kotlin/dev/inmo/tgbotapi/types/passport/FileHashes.kt
new file mode 100644
index 0000000000..0249909252
--- /dev/null
+++ b/tgbotapi.core/src/jvmMain/kotlin/dev/inmo/tgbotapi/types/passport/FileHashes.kt
@@ -0,0 +1,7 @@
+package dev.inmo.tgbotapi.types.passport
+
+import dev.inmo.micro_utils.crypto.MD5
+import java.io.File
+
+val File.passportFileHash: MD5
+    get() = readBytes().passportFileHash