diff --git a/deps/src/MakeTree.scala b/deps/src/MakeTree.scala
index bdb2824..c4261ea 100644
--- a/deps/src/MakeTree.scala
+++ b/deps/src/MakeTree.scala
@@ -37,11 +37,22 @@ object MakeTree:
     // a package and call the extensions
     writeToFile(vars.depsBuildFile, "")
 
+    // create a set of coordinates with the same cleanName and groupId
+    // to prevent duplicate import names in the generated output
+    val duplicateCoordinates: Set[Coordinates] = targets
+      .groupBy(target => (target.coordinates.cleanName, target.coordinates.groupId))
+      .collect {
+        case ((cleanName, groupId), groupedTargets) if groupedTargets.size > 1 =>
+          groupedTargets.map(_.coordinates)
+      }
+      .flatten
+      .toSet
+    
     // make tree of BUILD files
     targets
       .groupBy(_.coordinates.groupId)
       .foreach { (group, targets) =>
         val file = new File(vars.targetsTreeFile, group.toPath + File.separator + vars.targetsFileName)
-        val content = cfg.targetsHeader + targets.map(_.toBzl()).mkString
+        val content = cfg.targetsHeader + targets.map(_.toBzl(duplicateCoordinates)).mkString
         writeToFile(file, content)
       }
diff --git a/deps/src/Resolve.scala b/deps/src/Resolve.scala
index 96eac4e..b922c4a 100644
--- a/deps/src/Resolve.scala
+++ b/deps/src/Resolve.scala
@@ -5,7 +5,7 @@ import sbt.internal.util.ConsoleLogger
 import sbt.librarymanagement.syntax.*
 import sbt.librarymanagement.{Configurations, ScalaModuleInfo, UnresolvedWarningConfiguration, UpdateConfiguration}
 import sbt.internal.librarymanagement.cross.CrossVersionUtil
-import scala.collection.mutable.HashMap
+import scala.collection.mutable
 
 object Resolve:
   def apply()(using vars: Vars, cfg: DepsCfg): Vector[Target] =
@@ -44,7 +44,7 @@ object Resolve:
               .contains(moduleReport.module.toUvCoordinates.withCleanName)
           }
         val uvCoordinates_modules = modules.map { m => m.module.toUvCoordinates -> m.module }.toMap
-        val modules_deps: HashMap[Coordinates, Vector[Coordinates]] = HashMap.empty
+        val modules_deps: mutable.HashMap[Coordinates, Vector[Coordinates]] = mutable.HashMap.empty
         modules.foreach { moduleReport =>
           moduleReport.callers.foreach { caller =>
             // dependency can be resolved with a different version,
diff --git a/deps/src/Target.scala b/deps/src/Target.scala
index f614f80..de4bee2 100644
--- a/deps/src/Target.scala
+++ b/deps/src/Target.scala
@@ -14,7 +14,13 @@ final case class Target(
     url: String,
     deps: Vector[Coordinates]
 ):
-  def toBzl()(using vars: Vars): String =
+  def toBzl(duplicateCoordinates: Set[Coordinates] = Set.empty)(using vars: Vars): String =
+
+    def getAdjustedName(coordinates: Coordinates): String =
+      if duplicateCoordinates.contains(coordinates)
+      then coordinates.artifactId.replaceAll("[-.]", "_")
+      else coordinates.cleanName
+
     replacement_label match
       case Some(replacement_label) =>
         s"""\n${lang.asString}_import(
@@ -27,12 +33,14 @@ final case class Target(
            |    ]
            |)\n""".stripMargin
       case None =>
+        val adjustedName = getAdjustedName(coordinates)
         val runtime_deps =
           val deps0 = deps
             .map { c =>
+              val depName = getAdjustedName(c)
               if coordinates.groupId == c.groupId
-              then s"\":${c.cleanName}\""
-              else s"\"${vars.targetsTreeBazelPath}/${c.groupId.toUnixPath}:${c.cleanName}\""
+              then s"\":$depName\""
+              else s"\"${vars.targetsTreeBazelPath}/${c.groupId.toUnixPath}:$depName\""
             }
             .sorted
             .mkString(",\n        ")
@@ -43,7 +51,7 @@ final case class Target(
                   |        $deps0
                   |    ],""".stripMargin
         s"""\n${lang.asString}_import(
-           |    name = "${coordinates.cleanName}",
+           |    name = "$adjustedName",
            |    jars = [
            |        "$jar"
            |    ],$runtime_deps