diff --git a/src/main/scala/com/elarib/PartialSbtPlugin.scala b/src/main/scala/com/elarib/PartialSbtPlugin.scala
index b4878f9..77114a2 100644
--- a/src/main/scala/com/elarib/PartialSbtPlugin.scala
+++ b/src/main/scala/com/elarib/PartialSbtPlugin.scala
@@ -8,6 +8,7 @@ import sbt._
 
 object BuildKeys {
   val partialSbtExcludedFiles = sbt.settingKey[Seq[sbt.File]]("Files that should be excluded from analysis.")
+  val partialSbtExcludedProject: SettingKey[Unit] = sbt.settingKey[Unit]("Exclude project from analysis.")
 }
 
 object PartialSbtPlugin extends AutoPlugin {
@@ -50,6 +51,7 @@ object PartialSbtPlugin extends AutoPlugin {
         st
       }),
       commands += Command("changedProjects")(_ => PartialSbParser.changeGetterParser)((st, changeGetter) => {
+
         val changedProjects: Seq[ResolvedProject] =
           findChangedModules(changeGetter)(
             baseDirectory.value,
@@ -82,6 +84,9 @@ object PartialSbtPlugin extends AutoPlugin {
         projectMap.values.toSeq
           .sortBy(_.id)
       case Nil =>
+        def isIncludedInAnalysis(resolvedProject: ResolvedProject): Boolean =
+          !resolvedProject.settings.exists(_.key.key == BuildKeys.partialSbtExcludedProject.key)
+
         val reverseDependencyMap: DependencyMap[ResolvedProject] = buildDeps
           .foldLeft[DependencyMap[ResolvedProject]](Map.empty) { (acc, dependency) =>
             val (ref, dependsOnList) = dependency
@@ -94,11 +99,15 @@ object PartialSbtPlugin extends AutoPlugin {
                   .fold(resolvedProjects)(_ +: resolvedProjects)
               dependencyMap + (key -> newValue)
             }
-
+          }
+          .filterKeys { projectRef =>
+            projectMap.get(projectRef).exists(isIncludedInAnalysis)
           }
 
         val modulesWithPath: Seq[(ProjectRef, ResolvedProject)] =
-          allProjectRefs.filter(_._2.base != baseDir)
+          allProjectRefs.filter { case (_, resolvedProject) =>
+            isIncludedInAnalysis(resolvedProject) && resolvedProject.base != baseDir
+          }
 
         val diffsFiles: Seq[sbt.File] = changeGetter.changes.filterNot(f => isFileExcluded(baseDir)(f, excludedFiles))
 
diff --git a/src/sbt-test/test-projects/multi-module-project/build.sbt b/src/sbt-test/test-projects/multi-module-project/build.sbt
index b80630c..5c96d99 100644
--- a/src/sbt-test/test-projects/multi-module-project/build.sbt
+++ b/src/sbt-test/test-projects/multi-module-project/build.sbt
@@ -18,7 +18,7 @@ commands += Command("addEnvVar")(_ => sbt.internal.util.complete.Parsers.spaceDe
 // Projects
 //                               +-----------+                        +-----------+
 //                               |           |                        |           |
-//                               |   lib-1   +<---------+  +--------->+   lib-2   |
+//                               |   lib-1   +<---------+  +--------->+ lib-2 (X) |
 //                               |           |          |  |          |           |
 //                               +-----^-----+          |  |          +---+-------+
 //                                     |                |  |              ^
@@ -80,6 +80,7 @@ lazy val firstLib = sbt
 lazy val secondLib = sbt
   .Project("lib-2", libs / "lib-2")
   .settings(settings("lib-2"))
+  .settings(com.elarib.BuildKeys.partialSbtExcludedProject := ())
 
 //Tools
 lazy val firstTool = sbt
diff --git a/src/sbt-test/test-projects/multi-module-project/expected/4.log b/src/sbt-test/test-projects/multi-module-project/expected/4.log
index 19ff963..c4b00c9 100644
--- a/src/sbt-test/test-projects/multi-module-project/expected/4.log
+++ b/src/sbt-test/test-projects/multi-module-project/expected/4.log
@@ -1,10 +1,7 @@
-9 projects have been changed
+6 projects have been changed
 lib-1
-lib-2
 service-1
-service-2
 service-3
 service-4
 tool-1
-tool-2
 tool-3
\ No newline at end of file