diff --git a/build.gradle b/build.gradle
index b778d39..e28681a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,14 +28,6 @@ static def gitSha() {
     sha
 }
 
-allprojects {
-    repositories {
-        google()
-        jcenter()
-        maven { url 'https://jitpack.io' }
-    }
-}
-
 ext {
     serialization_version = "0.20.0"
     kotlinxCoroutine = "1.4.2"
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index bdb68f9..23810fe 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
diff --git a/substrate-client/build.gradle b/substrate-client/build.gradle
index 9959160..edcd34b 100644
--- a/substrate-client/build.gradle
+++ b/substrate-client/build.gradle
@@ -27,8 +27,14 @@ afterEvaluate {
 
 project.compileKotlin.dependsOn(createVersionFile)
 
+
+repositories {
+    google()
+    jcenter() // for just 2 novacrypto deps required by BIP39
+    maven { url 'https://jitpack.io' }
+}
+
 dependencies {
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
     api group: 'org.slf4j', name:'slf4j-api', version: '1.7.30'
 
     // websocket
@@ -42,7 +48,7 @@ dependencies {
 
     // BIP-39: key generation from 12 words mnemonic
     // not a fan of this dependency because it comes with spongy castle which we don't need
-    implementation 'com.github.NodleCode:BIP39:484f9d5d588'
+    implementation 'com.github.NodleCode:BIP39:484f9d5d588' // https://jitpack.io/#nodlecode/bip39/484f9d5d58
     implementation 'com.github.komputing:KBase58:0.1'
 
     // kotlin