diff --git a/adapters/buckpal-persistence/build.gradle b/adapters/buckpal-persistence/build.gradle
new file mode 100644
index 0000000..b12e447
--- /dev/null
+++ b/adapters/buckpal-persistence/build.gradle
@@ -0,0 +1,29 @@
+dependencies {
+    implementation project(':common')
+    implementation project(':buckpal-application')
+
+    compileOnly 'org.projectlombok:lombok'
+    annotationProcessor 'org.projectlombok:lombok'
+
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
+    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+
+    implementation 'javax.transaction:javax.transaction-api'
+
+    testImplementation('org.springframework.boot:spring-boot-starter-test') {
+        exclude group: 'junit' // excluding junit 4
+    }
+    testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.0.1'
+    testImplementation 'org.mockito:mockito-junit-jupiter:2.23.0'
+    testImplementation 'com.tngtech.archunit:archunit:0.9.3'
+    testImplementation 'de.adesso:junit-insights:1.1.0'
+    testImplementation 'org.junit.platform:junit-platform-launcher:1.4.2'
+    testImplementation 'com.h2database:h2'
+    testImplementation project(':buckpal-testdata')
+}
+
+test {
+    useJUnitPlatform()
+    systemProperty 'de.adesso.junitinsights.enabled', 'true'
+}
+
diff --git a/buckpal-application/build.gradle b/buckpal-application/build.gradle
index bcf6ad7..5050ce4 100644
--- a/buckpal-application/build.gradle
+++ b/buckpal-application/build.gradle
@@ -6,7 +6,6 @@ dependencies {
 
     implementation 'org.springframework.boot:spring-boot-starter-validation'
 
-    implementation 'javax.validation:validation-api'
     implementation 'javax.transaction:javax.transaction-api'
 
     testImplementation('org.springframework.boot:spring-boot-starter-test') {
diff --git a/buckpal-configuration/build.gradle b/buckpal-configuration/build.gradle
index d8be432..c66d5c1 100644
--- a/buckpal-configuration/build.gradle
+++ b/buckpal-configuration/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "org.springframework.boot" version "2.1.5.RELEASE"
+    id "org.springframework.boot" version "2.1.7.RELEASE"
 }
 
 dependencies {
@@ -18,6 +18,8 @@ dependencies {
     testImplementation 'com.tngtech.archunit:archunit:0.9.3'
     testImplementation 'de.adesso:junit-insights:1.1.0'
     testImplementation 'org.junit.platform:junit-platform-launcher:1.4.2'
+    testImplementation 'com.h2database:h2'
+
 }
 
 test {
diff --git a/buckpal-testdata/build.gradle b/buckpal-testdata/build.gradle
new file mode 100644
index 0000000..8c11f78
--- /dev/null
+++ b/buckpal-testdata/build.gradle
@@ -0,0 +1,7 @@
+dependencies {
+
+    implementation project(':buckpal-application')
+
+}
+
+
diff --git a/build.gradle b/build.gradle
index 77dc63b..ae08e1d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,8 @@
 plugins {
-    id "io.spring.dependency-management" version "1.0.6.RELEASE"
+    id "io.spring.dependency-management" version "1.0.8.RELEASE"
 }
 
-allprojects {
+subprojects {
 
     group = 'io.reflectoring.reviewapp'
     version = '0.0.1-SNAPSHOT'
@@ -17,7 +17,7 @@ allprojects {
 
     dependencyManagement {
         imports {
-            mavenBom("org.springframework.boot:spring-boot-dependencies:2.1.5.RELEASE")
+            mavenBom("org.springframework.boot:spring-boot-dependencies:2.1.7.RELEASE")
         }
     }
 
diff --git a/common/build.gradle b/common/build.gradle
index 8b639fc..9955f46 100644
--- a/common/build.gradle
+++ b/common/build.gradle
@@ -1,6 +1,5 @@
 dependencies {
     implementation 'org.springframework:spring-context'
-    implementation 'org.springframework:spring-core'
     implementation 'javax.validation:validation-api'
 }