diff --git a/auth/app/build.gradle.kts b/auth/app/build.gradle.kts
index 2d7b4c5ab..295fcbb82 100644
--- a/auth/app/build.gradle.kts
+++ b/auth/app/build.gradle.kts
@@ -58,21 +58,24 @@ dependencies {
     implementation("androidx.navigation:navigation-fragment-ktx:2.6.0")
     implementation("androidx.navigation:navigation-ui-ktx:2.6.0")
 
-    // Import the Firebase BoM (see: https://firebase.google.com/docs/android/learn-more#bom)
-    implementation(platform("com.google.firebase:firebase-bom:32.1.0"))
+    // Firebase Authentication
+    implementation(files("../libs/firebase-auth-21.2.0.aar"))
+    implementation(files("../libs/firebase-auth-ktx-21.2.0.aar"))
 
-    // Firebase Authentication (Java)
-    implementation("com.google.firebase:firebase-auth")
-
-    // Firebase Authentication (Kotlin)
-    implementation("com.google.firebase:firebase-auth-ktx")
+    // Firebase Auth's transitive dependencies
+    implementation("com.google.firebase:firebase-auth-interop:20.0.0")
+    implementation("com.google.firebase:firebase-common-ktx:20.3.2")
+    implementation("com.google.android.recaptcha:recaptcha:18.1.1")
 
     // Google Identity Services SDK (only required for Auth with Google)
     implementation("com.google.android.gms:play-services-auth:20.5.0")
 
     // Firebase UI
     // Used in FirebaseUIActivity.
-    implementation("com.firebaseui:firebase-ui-auth:8.0.2")
+    implementation("com.firebaseui:firebase-ui-auth:8.0.2") {
+        // Excluding auth so that it doesn't pick up an older version
+        exclude(group = "com.google.firebase", module = "firebase-auth")
+    }
 
     // Facebook Android SDK (only required for Facebook Login)
     // Used in FacebookLoginActivity.
diff --git a/auth/gradle.properties b/auth/gradle.properties
index 6dd0218ed..d8360e2d4 100644
--- a/auth/gradle.properties
+++ b/auth/gradle.properties
@@ -16,3 +16,4 @@ android.useAndroidX=true
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+android.useAndroidX=true
\ No newline at end of file