diff --git a/changelog.md b/changelog.md
index 4e6f7ae1..cf840418 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,10 @@
+## 2.5.3
+
+#### Fixed
+#### Changes
+#### Additions
+Changed mode of encoding threeDsMethod params with Base64 to NO_PADDING according to 3DS 2.0 requirements
+
 ## 2.5.2
 
 #### Fixed
diff --git a/gradle.properties b/gradle.properties
index c5f8a298..3bfcf7ef 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-VERSION_NAME=2.5.2
+VERSION_NAME=2.5.3
 VERSION_CODE=15
 GROUP=ru.tinkoff.acquiring
 
diff --git a/ui/src/main/java/ru/tinkoff/acquiring/sdk/ui/activities/ThreeDsActivity.kt b/ui/src/main/java/ru/tinkoff/acquiring/sdk/ui/activities/ThreeDsActivity.kt
index ca6e65c3..cf627202 100644
--- a/ui/src/main/java/ru/tinkoff/acquiring/sdk/ui/activities/ThreeDsActivity.kt
+++ b/ui/src/main/java/ru/tinkoff/acquiring/sdk/ui/activities/ThreeDsActivity.kt
@@ -93,7 +93,7 @@ internal class ThreeDsActivity : BaseAcquiringActivity() {
                     put("threeDSServerTransID", response.serverTransId)
                 }
 
-                val dataBase64 = Base64.encodeToString(threeDsMethodData.toString().toByteArray(), Base64.DEFAULT).trim()
+                val dataBase64 = Base64.encodeToString(threeDsMethodData.toString().toByteArray(), Base64.NO_PADDING).trim()
                 val params = "threeDSMethodData=${URLEncoder.encode(dataBase64, "UTF-8")}"
 
                 hiddenWebView.postUrl(response.threeDsMethodUrl!!, params.toByteArray())