diff --git a/build.sbt b/build.sbt
index c08126f..da55e42 100644
--- a/build.sbt
+++ b/build.sbt
@@ -76,12 +76,12 @@ lazy val render = crossProject(JVMPlatform, JSPlatform)
       WebDeps.plotlyJs,
       Deps.scalaTest % "test"
     ),
-    resourceGenerators.in(Compile) += Def.task {
+    (Compile / resourceGenerators) += Def.task {
       import sys.process._
 
       val log = state.value.log
 
-      val dir = classDirectory.in(Compile).value / "plotly"
+      val dir = (Compile / classDirectory).value / "plotly"
       val ver = version.value
 
       val f = dir / "plotly-scala.properties"
@@ -133,10 +133,10 @@ lazy val demo = project
   .dependsOn(renderJs)
   .settings(
     shared,
-    skip.in(publish) := true,
+    (publish / skip) := true,
     plotlyPrefix,
-    test.in(Test) := {},
-    testOnly.in(Test) := {},
+    (Test / test) := {},
+    (Test / testOnly) := {},
     libraryDependencies += Deps.scalatags.value,
     jsDependencies ++= Seq(
       WebDeps.plotlyJs
@@ -180,7 +180,7 @@ lazy val tests = project
   .dependsOn(coreJvm, renderJvm)
   .settings(
     shared,
-    skip.in(publish) := true,
+    (publish / skip) := true,
     plotlyPrefix,
     fetchTestData,
     libraryDependencies ++= Seq(
@@ -199,5 +199,5 @@ lazy val almond = project
   )
 
 crossScalaVersions := Nil
-skip.in(publish) := true
+(publish / skip) := true
 disablePlugins(MimaPlugin)
diff --git a/project/Settings.scala b/project/Settings.scala
index 5365b42..b83d26d 100644
--- a/project/Settings.scala
+++ b/project/Settings.scala
@@ -79,11 +79,11 @@ object Settings {
         }
       }
 
-      process(dir / "plotly", Vector(), scalaSource.in(Compile).value / "plotly" / "demo")
+      process(dir / "plotly", Vector(), (Compile / scalaSource).value / "plotly" / "demo")
 
       files
     },
-    sourceGenerators.in(Compile) += customSourceGenerators.taskValue
+    (Compile / sourceGenerators) += customSourceGenerators.taskValue
   )
 
   private val scala212 = "2.12.16"
@@ -127,9 +127,9 @@ object Settings {
 
 
   lazy val fetchTestData = {
-    unmanagedResources.in(Test) ++= {
+    (Test / unmanagedResources) ++= {
       val log = streams.value.log
-      val baseDir = baseDirectory.in(LocalRootProject).value
+      val baseDir = (LocalRootProject / baseDirectory).value
       val testsPostsDir = baseDir / "plotly-documentation" / "_posts"
       if (!testsPostsDir.exists())
         gitLock.synchronized {
diff --git a/project/build.properties b/project/build.properties
index dbae93b..22af262 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.4.9
+sbt.version=1.7.1