diff --git a/app/.gitignore b/app/.gitignore
index c593825..9d692c7 100644
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -1,5 +1,5 @@
 /build
 /release*
 
-src/release*/google-services.json
-!src/release/google-services.json
\ No newline at end of file
+# Firebase config - sensitive API keys
+**/google-services.json
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 5370672..c051b1f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,7 +30,7 @@ buildscript {
         daggerVersion = '2.52'
         javaxInjectVersion = '1'
 
-        architectureComponentVersion = '2.7.0'
+        architectureComponentVersion = '2.2.0'
 
         multibaseVersion = '1.1.1'
 
@@ -40,14 +40,14 @@ buildscript {
 
         zXingVersion = '3.5.0'
 
-        navControllerVersion = '2.7.7'
+        navControllerVersion = '2.3.1'
 
         junitVersion = '4.13.2'
         mockitoVersion = '5.12.0'
         robolectricVersion = '4.1'
         allureVersion = '2.4.0'
 
-        bouncyCastleVersion = '1.77'
+        bouncyCastleVersion = '1.70'
 
         web3jVersion = '4.9.5'
 
@@ -140,6 +140,7 @@ buildscript {
 
         // lifecycle scopes
         lifeCycleKtxDep = "androidx.lifecycle:lifecycle-runtime-ktx:$architectureComponentVersion"
+        lifecycleProcessDep = "androidx.lifecycle:lifecycle-process:$architectureComponentVersion"
 
         permissionsDep = "com.github.florent37:RuntimePermission:$permissionsVersion"
 
@@ -150,7 +151,7 @@ buildscript {
         navigationFragmentDep = "androidx.navigation:navigation-fragment-ktx:$navControllerVersion"
         navigationUiDep = "androidx.navigation:navigation-ui-ktx:$navControllerVersion"
 
-        bouncyCastleDep = "org.bouncycastle:bcprov-jdk18on:$bouncyCastleVersion"
+        bouncyCastleDep = "org.bouncycastle:bcprov-jdk15on:$bouncyCastleVersion"
 
         retrofitDep = "com.squareup.retrofit2:retrofit:$retrofitVersion"
         interceptorVersion = "com.squareup.okhttp3:logging-interceptor:$okhttpVersion"