diff --git a/build.gradle.kts b/build.gradle.kts
index 7309899..ac712e2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -23,35 +23,8 @@ allprojects {
 version = "0.2"
 
 subprojects {
-  plugins.apply("org.jetbrains.kotlin.jvm")
-  plugins.apply("org.jetbrains.kotlin.plugin.serialization")
-
   group = "gay.pizza.foundation"
 
-  dependencies {
-    // Kotlin dependencies
-    implementation(platform("org.jetbrains.kotlin:kotlin-bom"))
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-
-    // Core libraries.
-    implementation("io.insert-koin:koin-core:3.3.2")
-    testImplementation("io.insert-koin:koin-test:3.3.2")
-
-    // Serialization
-    implementation("com.charleskorn.kaml:kaml:0.51.0")
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.1")
-
-    // Persistence
-    implementation("org.jetbrains.xodus:xodus-openAPI:2.0.1")
-    implementation("org.jetbrains.xodus:xodus-entity-store:2.0.1")
-  }
-
-  java {
-    val javaVersion = JavaVersion.toVersion(17)
-    sourceCompatibility = javaVersion
-    targetCompatibility = javaVersion
-  }
-
   tasks.withType<KotlinCompile> {
     kotlinOptions {
       freeCompilerArgs += "-opt-in=kotlinx.serialization.ExperimentalSerializationApi"
diff --git a/common-all/build.gradle.kts b/common-all/build.gradle.kts
new file mode 100644
index 0000000..1bf9819
--- /dev/null
+++ b/common-all/build.gradle.kts
@@ -0,0 +1,9 @@
+plugins {
+  id("gay.pizza.foundation.concrete-base")
+}
+
+dependencies {
+  // Serialization
+  api("com.charleskorn.kaml:kaml:0.51.0")
+  api("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.1")
+}
diff --git a/common-heimdall/build.gradle.kts b/common-heimdall/build.gradle.kts
index 97de518..4637cea 100644
--- a/common-heimdall/build.gradle.kts
+++ b/common-heimdall/build.gradle.kts
@@ -1,8 +1,9 @@
 plugins {
-  id("gay.pizza.foundation.concrete-library")
+  id("gay.pizza.foundation.concrete-base")
 }
 
 dependencies {
+  api(project(":common-all"))
   api("org.postgresql:postgresql:42.5.3")
   api("org.jetbrains.exposed:exposed-jdbc:0.41.1")
   api("org.jetbrains.exposed:exposed-java-time:0.41.1")
diff --git a/common-plugin/build.gradle.kts b/common-plugin/build.gradle.kts
index 33f4f70..b578113 100644
--- a/common-plugin/build.gradle.kts
+++ b/common-plugin/build.gradle.kts
@@ -3,5 +3,6 @@ plugins {
 }
 
 dependencies {
+  api(project(":common-all"))
   compileOnly(project(":foundation-shared"))
 }
diff --git a/foundation-core/build.gradle.kts b/foundation-core/build.gradle.kts
index f334642..2cbf1fd 100644
--- a/foundation-core/build.gradle.kts
+++ b/foundation-core/build.gradle.kts
@@ -3,9 +3,16 @@ plugins {
 }
 
 dependencies {
+  api(project(":common-all"))
   implementation(project(":foundation-shared"))
 
   implementation("software.amazon.awssdk:s3:2.19.31")
   implementation("org.quartz-scheduler:quartz:2.3.2")
   implementation("com.google.guava:guava:31.1-jre")
+
+  implementation("io.insert-koin:koin-core:3.3.2")
+  testImplementation("io.insert-koin:koin-test:3.3.2")
+
+  implementation("org.jetbrains.xodus:xodus-openAPI:2.0.1")
+  implementation("org.jetbrains.xodus:xodus-entity-store:2.0.1")
 }
diff --git a/foundation-shared/build.gradle.kts b/foundation-shared/build.gradle.kts
index 36dc4fa..fb77f8f 100644
--- a/foundation-shared/build.gradle.kts
+++ b/foundation-shared/build.gradle.kts
@@ -1,3 +1,7 @@
 plugins {
   id("gay.pizza.foundation.concrete-library")
 }
+
+dependencies {
+  api(project(":common-all"))
+}
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 87d27a8..a071ae1 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -9,6 +9,7 @@ pluginManagement {
 }
 
 include(
+  ":common-all",
   ":common-plugin",
   ":common-heimdall",
   ":foundation-core",