diff --git a/build.sbt b/build.sbt
index d50e3b18..7981e5da 100644
--- a/build.sbt
+++ b/build.sbt
@@ -51,7 +51,7 @@ lazy val root = Project("sbt-scoverage", file("."))
       "utf8"
     ),
     resolvers ++= {
-      if (isSnapshot.value) Seq(Resolver.sonatypeRepo("snapshots")) else Nil
+      if (isSnapshot.value) Resolver.sonatypeOssRepos("snapshots") else Nil
     },
     scriptedLaunchOpts ++= Seq(
       "-Xmx1024M",
diff --git a/project/build.properties b/project/build.properties
index 72413de1..40b3b8e7 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.0
diff --git a/project/plugins.sbt b/project/plugins.sbt
index a56a9b21..5a8060ea 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -2,4 +2,3 @@ libraryDependencies += "org.scala-sbt" %% "scripted-plugin" % sbtVersion.value
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.5.12")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.11.0")
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.0")
-addSbtPlugin("com.scalawilliam.esbeetee" % "sbt-vspp" % "0.4.11")
diff --git a/src/sbt-test/scoverage/coverage-excluded-files/project/build.properties b/src/sbt-test/scoverage/coverage-excluded-files/project/build.properties
index 72413de1..40b3b8e7 100644
--- a/src/sbt-test/scoverage/coverage-excluded-files/project/build.properties
+++ b/src/sbt-test/scoverage/coverage-excluded-files/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.0
diff --git a/src/sbt-test/scoverage/coverage-excluded-packages/project/build.properties b/src/sbt-test/scoverage/coverage-excluded-packages/project/build.properties
index 72413de1..40b3b8e7 100644
--- a/src/sbt-test/scoverage/coverage-excluded-packages/project/build.properties
+++ b/src/sbt-test/scoverage/coverage-excluded-packages/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.0
diff --git a/src/sbt-test/scoverage/coverage-off/project/build.properties b/src/sbt-test/scoverage/coverage-off/project/build.properties
index 72413de1..40b3b8e7 100644
--- a/src/sbt-test/scoverage/coverage-off/project/build.properties
+++ b/src/sbt-test/scoverage/coverage-off/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.0
diff --git a/src/sbt-test/scoverage/scala3-coverage-excluded-files/project/build.properties b/src/sbt-test/scoverage/scala3-coverage-excluded-files/project/build.properties
index 72413de1..40b3b8e7 100644
--- a/src/sbt-test/scoverage/scala3-coverage-excluded-files/project/build.properties
+++ b/src/sbt-test/scoverage/scala3-coverage-excluded-files/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.3
+sbt.version=1.9.0