diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4222a0e6..659a2b5b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,13 +22,16 @@ jobs:
   run_build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: set up JDK 17
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v4
       with:
         java-version: '17'
         distribution: 'temurin'
-        cache: gradle
+    - name: Setup Gradle cache
+      uses: gradle/gradle-build-action@v2
+      with:
+        gradle-version: wrapper
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Clean all modules
diff --git a/android-sdk/build.gradle b/android-sdk/build.gradle
index 7a597478..e1f343b5 100644
--- a/android-sdk/build.gradle
+++ b/android-sdk/build.gradle
@@ -69,6 +69,8 @@ dependencies {
         exclude group: 'com.google.code.findbugs'
     }
 
+    implementation "org.slf4j:slf4j-api:$slf4j_ver"
+
     compileOnly "com.fasterxml.jackson.core:jackson-databind:$jacksonversion"
     implementation "androidx.annotation:annotation:$annotations_ver"
 
diff --git a/build.gradle b/build.gradle
index be722e00..b4d3c3f0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -71,7 +71,7 @@ ext {
     build_tools_version = "30.0.3"
     min_sdk_version = 21
     target_sdk_version = 33
-    java_core_ver = "4.2.0"
+    java_core_ver = "4.2.2"
     android_logger_ver = "1.3.6"
     jacksonversion= "2.11.2"
     annotations_ver = "1.2.0"
@@ -88,6 +88,7 @@ ext {
     androidx_test_core = "1.4.0"
     androidx_test_rules = "1.4.0"
     espresso_ver = "3.4.0"
+    slf4j_ver = "1.7.3"
 }
 
 task clean(type: Delete) {
diff --git a/odp/build.gradle b/odp/build.gradle
index 4550d5d7..fc7b85de 100644
--- a/odp/build.gradle
+++ b/odp/build.gradle
@@ -57,6 +57,8 @@ dependencies {
     implementation "androidx.annotation:annotation:$annotations_ver"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "androidx.work:work-runtime:$work_runtime"
+    // Add SLF4J API for Logger interface
+    implementation "org.slf4j:slf4j-api:$slf4j_ver"
 
     testImplementation "junit:junit:$junit_ver"
     testImplementation "org.mockito:mockito-core:$mockito_ver"
@@ -74,4 +76,5 @@ dependencies {
 
     androidTestImplementation "org.mockito:mockito-core:$mockito_ver"
     androidTestImplementation "org.mockito:mockito-android:$mockito_ver"
+    androidTestImplementation "org.slf4j:slf4j-api:$slf4j_ver"
 }
diff --git a/odp/src/androidTest/java/com/optimizely/ab/android/odp/DefaultODPApiManagerTest.kt b/odp/src/androidTest/java/com/optimizely/ab/android/odp/DefaultODPApiManagerTest.kt
index f95f7e27..8918f8a3 100644
--- a/odp/src/androidTest/java/com/optimizely/ab/android/odp/DefaultODPApiManagerTest.kt
+++ b/odp/src/androidTest/java/com/optimizely/ab/android/odp/DefaultODPApiManagerTest.kt
@@ -20,7 +20,7 @@ import androidx.test.ext.junit.runners.AndroidJUnit4
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.mockito.Mockito.*
+import org.mockito.Mockito.mock
 import org.mockito.Mockito.verify
 
 @RunWith(AndroidJUnit4::class)