diff --git a/build.sbt b/build.sbt
index b0e9bedcf..815e1a480 100644
--- a/build.sbt
+++ b/build.sbt
@@ -46,7 +46,7 @@ ThisBuild / assemblyMergeStrategy := {
 val coursierVersion0 = "2.1.9"
 val lmVersion = "1.3.4"
 val lm2_13Version = "1.5.0-M3"
-val lm3Version = "2.0.0-alpha15"
+val lm3Version = "2.0.0-M1"
 
 lazy val scalafixGen = Def.taskDyn {
   val root = (ThisBuild / baseDirectory).value.toURI.toString
diff --git a/modules/definitions/src/main/scala/lmcoursier/FallbackDependency.scala b/modules/definitions/src/main/scala/lmcoursier/FallbackDependency.scala
index 8bd239b89..6b93880db 100644
--- a/modules/definitions/src/main/scala/lmcoursier/FallbackDependency.scala
+++ b/modules/definitions/src/main/scala/lmcoursier/FallbackDependency.scala
@@ -4,7 +4,7 @@ import java.net.URL
 
 import dataclass.data
 import lmcoursier.definitions.Module
-
+//FIXME use URI instead of URL
 @data class FallbackDependency(
   module: Module,
   version: String,
diff --git a/modules/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala b/modules/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala
index 4b9349484..381bb29f9 100644
--- a/modules/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala
+++ b/modules/lm-coursier/src/main/scala/lmcoursier/FromSbt.scala
@@ -143,7 +143,7 @@ object FromSbt {
       url <- artifact.url.toSeq
     } yield {
       val (module0, version) = moduleVersion(module, scalaVersion, scalaBinaryVersion)
-      FallbackDependency(module0, version, url, module.isChanging)
+      FallbackDependency(module0, version, url.toURL, module.isChanging)
     }
 
   def project(
diff --git a/modules/lm-coursier/src/main/scala/lmcoursier/internal/SbtUpdateReport.scala b/modules/lm-coursier/src/main/scala/lmcoursier/internal/SbtUpdateReport.scala
index 55bf9fc4a..15a22ba92 100644
--- a/modules/lm-coursier/src/main/scala/lmcoursier/internal/SbtUpdateReport.scala
+++ b/modules/lm-coursier/src/main/scala/lmcoursier/internal/SbtUpdateReport.scala
@@ -70,7 +70,7 @@ private[internal] object SbtUpdateReport {
             .orElse(MavenAttributes.typeDefaultClassifierOpt(pub.`type`))
             .map(_.value)
         )
-        .withUrl(Some(CacheUrl.url(artifact.url, classLoaders)))
+        .withUrl(Some(CacheUrl.url(artifact.url, classLoaders).toURI))
         .withExtraAttributes(module.attributes ++ extraProperties)
   }