diff --git a/buildSrc/src/main/kotlin/io/spine/dependency/local/Base.kt b/buildSrc/src/main/kotlin/io/spine/dependency/local/Base.kt
index 505100bf..af6c4009 100644
--- a/buildSrc/src/main/kotlin/io/spine/dependency/local/Base.kt
+++ b/buildSrc/src/main/kotlin/io/spine/dependency/local/Base.kt
@@ -33,12 +33,14 @@ package io.spine.dependency.local
  */
 @Suppress("ConstPropertyName", "unused")
 object Base {
-    const val version = "2.0.0-SNAPSHOT.382"
-    const val versionForBuildScript = "2.0.0-SNAPSHOT.382"
+    const val version = "2.0.0-SNAPSHOT.383"
+    const val versionForBuildScript = "2.0.0-SNAPSHOT.383"
     const val group = Spine.group
-    const val artifact = "spine-base"
-    const val lib = "$group:$artifact:$version"
-    const val format = "$group:spine-format:$version"
-    const val libForBuildScript = "$group:$artifact:$versionForBuildScript"
-    const val annotations = "$group:spine-annotations:$version"
+    private const val prefix = "spine"
+    const val libModule = "$prefix-base"
+    const val lib = "$group:$libModule:$version"
+    const val libForBuildScript = "$group:$libModule:$versionForBuildScript"
+    const val annotations = "$group:$prefix-annotations:$version"
+    const val environment = "$group:$prefix-environment:$version"
+    const val format = "$group:$prefix-format:$version"
 }
diff --git a/buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt b/buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt
index f0ad0be5..73ef7537 100644
--- a/buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt
+++ b/buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt
@@ -70,7 +70,7 @@ object Compiler {
      * The version of the Compiler dependencies.
      */
     val version: String
-    private const val fallbackVersion = "2.0.0-SNAPSHOT.034"
+    private const val fallbackVersion = "2.0.0-SNAPSHOT.035"
 
     /**
      * The distinct version of the Compiler used by other build tools.
@@ -79,7 +79,7 @@ object Compiler {
      * transitive dependencies, this is the version used to build the project itself.
      */
     val dogfoodingVersion: String
-    private const val fallbackDfVersion = "2.0.0-SNAPSHOT.030"
+    private const val fallbackDfVersion = "2.0.0-SNAPSHOT.035"
 
     /**
      * The artifact for the Compiler Gradle plugin.
diff --git a/buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvmCompiler.kt b/buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvmCompiler.kt
index c96d774b..0c6a6a21 100644
--- a/buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvmCompiler.kt
+++ b/buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvmCompiler.kt
@@ -46,12 +46,12 @@ object CoreJvmCompiler {
     /**
      * The version used to in the build classpath.
      */
-    const val dogfoodingVersion = "2.0.0-SNAPSHOT.035"
+    const val dogfoodingVersion = "2.0.0-SNAPSHOT.040"
 
     /**
      * The version to be used for integration tests.
      */
-    const val version = "2.0.0-SNAPSHOT.035"
+    const val version = "2.0.0-SNAPSHOT.040"
 
     /**
      * The ID of the Gradle plugin.
diff --git a/buildSrc/src/main/kotlin/io/spine/dependency/local/Spine.kt b/buildSrc/src/main/kotlin/io/spine/dependency/local/Spine.kt
index a5cce498..51cdee70 100644
--- a/buildSrc/src/main/kotlin/io/spine/dependency/local/Spine.kt
+++ b/buildSrc/src/main/kotlin/io/spine/dependency/local/Spine.kt
@@ -27,7 +27,7 @@
 package io.spine.dependency.local
 
 /**
- * Dependencies on smaller Spine modules.
+ * Defines Maven groups for the Spine SDK artifacts.
  */
 @Suppress("unused", "ConstPropertyName")
 object Spine {
diff --git a/buildSrc/src/main/kotlin/io/spine/dependency/local/Validation.kt b/buildSrc/src/main/kotlin/io/spine/dependency/local/Validation.kt
index 7314d125..dd199caf 100644
--- a/buildSrc/src/main/kotlin/io/spine/dependency/local/Validation.kt
+++ b/buildSrc/src/main/kotlin/io/spine/dependency/local/Validation.kt
@@ -36,7 +36,7 @@ object Validation {
     /**
      * The version of the Validation library artifacts.
      */
-    const val version = "2.0.0-SNAPSHOT.360"
+    const val version = "2.0.0-SNAPSHOT.370"
 
     /**
      * The last version of Validation compatible with ProtoData.
diff --git a/buildSrc/src/main/kotlin/io/spine/gradle/publish/PublicationHandler.kt b/buildSrc/src/main/kotlin/io/spine/gradle/publish/PublicationHandler.kt
index ad5596ca..5b3bbe12 100644
--- a/buildSrc/src/main/kotlin/io/spine/gradle/publish/PublicationHandler.kt
+++ b/buildSrc/src/main/kotlin/io/spine/gradle/publish/PublicationHandler.kt
@@ -53,7 +53,7 @@ private const val MAVEN_PUBLISH = "maven-publish"
  *   the [`spinePublishing`][io.spine.gradle.publish.SpinePublishing.destinations]
  *   extension applied to the subproject.
  */
-internal sealed class PublicationHandler(
+sealed class PublicationHandler(
     protected val project: Project,
     protected var destinations: Set<Repository>
 ) {
diff --git a/buildSrc/src/main/kotlin/io/spine/gradle/publish/StandardJavaPublicationHandler.kt b/buildSrc/src/main/kotlin/io/spine/gradle/publish/StandardJavaPublicationHandler.kt
index 06d78c10..17648f80 100644
--- a/buildSrc/src/main/kotlin/io/spine/gradle/publish/StandardJavaPublicationHandler.kt
+++ b/buildSrc/src/main/kotlin/io/spine/gradle/publish/StandardJavaPublicationHandler.kt
@@ -57,7 +57,7 @@ import org.gradle.kotlin.dsl.create
  *   The Maven Publish Plugin | Publications</a>
  * @see CustomPublicationHandler
  */
-internal class StandardJavaPublicationHandler private constructor(
+class StandardJavaPublicationHandler private constructor(
     project: Project,
     private val jarFlags: JarFlags,
     destinations: Set<Repository>,