diff --git a/core/webview/build.gradle.kts b/core/webview/build.gradle.kts
index 3a4399a1b..08ab7c476 100644
--- a/core/webview/build.gradle.kts
+++ b/core/webview/build.gradle.kts
@@ -47,4 +47,5 @@ dependencies {
     implementation(libs.material)
     implementation(libs.constraintlayout)
     implementation(libs.swipe.refresh.layout)
+    implementation(libs.mozilla.component.utils)
 }
diff --git a/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt b/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt
index 249bd63df..e445db451 100644
--- a/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt
+++ b/core/webview/src/main/java/org/sopt/official/webview/view/WebViewActivity.kt
@@ -31,7 +31,6 @@ import android.net.Uri
 import android.os.Bundle
 import android.os.Environment
 import android.webkit.CookieManager
-import android.webkit.URLUtil
 import android.webkit.ValueCallback
 import android.webkit.WebChromeClient
 import android.webkit.WebView
@@ -43,6 +42,7 @@ import androidx.core.content.ContextCompat
 import androidx.core.content.getSystemService
 import com.airbnb.deeplinkdispatch.DeepLink
 import dagger.hilt.android.AndroidEntryPoint
+import mozilla.components.support.utils.DownloadUtils
 import org.sopt.official.common.util.viewBinding
 import org.sopt.official.common.view.toast
 import org.sopt.official.webview.databinding.ActivityWebViewBinding
@@ -96,8 +96,12 @@ class WebViewActivity : AppCompatActivity() {
                     android.Manifest.permission.WRITE_EXTERNAL_STORAGE
                 ) == android.content.pm.PackageManager.PERMISSION_GRANTED
             ) {
-
-                val fileName = URLUtil.guessFileName(url, URLDecoder.decode(contentDisposition, "utf-8"), mimetype)
+                val fileName = DownloadUtils.guessFileName(
+                    contentDisposition = URLDecoder.decode(contentDisposition, "utf-8"),
+                    null,
+                    url = url,
+                    mimeType = mimetype
+                )
                 val downloadManager = getSystemService<DownloadManager>() ?: return@setDownloadListener
                 val request = DownloadManager.Request(Uri.parse(url))
                     .setMimeType(mimetype)
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6a950e6c4..845e7df35 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -56,6 +56,7 @@ coil = "2.7.0"
 lottie = "6.6.0"
 dotsindicator = "5.1.0"
 deepLinkDispatch = "6.2.2"
+mozilla-component-utils = "107.0.3"
 
 google-services = "4.4.2"
 crashlytics = "3.0.2"
@@ -183,23 +184,24 @@ profileinstaller = { group = "androidx.profileinstaller", name = "profileinstall
 dotsindicator = { module = "com.tbuonomo:dotsindicator", version.ref = "dotsindicator" }
 deeplink-dispatch = { group = "com.airbnb", name = "deeplinkdispatch", version.ref = "deepLinkDispatch" }
 deeplink-dispatch-processor = { group = "com.airbnb", name = "deeplinkdispatch-processor", version.ref = "deepLinkDispatch" }
+mozilla-component-utils = { module = "org.mozilla.components:support-utils", version.ref = "mozilla-component-utils" }
 
 [bundles]
 compose = [
-  "compose-ui",
-  "compose-foundation",
-  "compose-ui-tooling",
-  "compose-activity",
-  "compose-animation",
-  "compose-viewmodel",
-  "compose-material",
-  "compose-material-three",
-  "compose-material-icons-extended",
-  "compose-material-icons",
-  "compose-runtime",
-  "compose-ui-tooling-preview",
-  "compose-hilt-navigation",
-  "compose-lottie",
+    "compose-ui",
+    "compose-foundation",
+    "compose-ui-tooling",
+    "compose-activity",
+    "compose-animation",
+    "compose-viewmodel",
+    "compose-material",
+    "compose-material-three",
+    "compose-material-icons-extended",
+    "compose-material-icons",
+    "compose-runtime",
+    "compose-ui-tooling-preview",
+    "compose-hilt-navigation",
+    "compose-lottie",
 ]
 compose-test = ["compose-junit"]
 compose-android-test = ["compose-ui-test"]
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 0340a6ea4..47d064826 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -13,6 +13,7 @@ dependencyResolutionManagement {
         mavenCentral()
         gradlePluginPortal()
         maven { setUrl("https://jitpack.io") }
+        maven { setUrl("https://maven.mozilla.org/maven2") }
     }
 }
 rootProject.name = "SOPT"