diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f9e96f6..f2d1d2c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,11 +12,11 @@ on:
     branches: ['**']
   push:
     branches: ['**']
-    tags: [v*, v*]
+    tags: [v*]
 
 env:
+  PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
   SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
-  JABBA_INDEX: 'https://github.com/typelevel/jdk-index/raw/main/index.json'
   SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
   PGP_SECRET: ${{ secrets.PGP_SECRET }}
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -25,10 +25,11 @@ jobs:
   build:
     name: Build and Test
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest]
         scala: [2.12.15]
-        java: [temurin@8]
+        java: [temurin@8, temurin@11, temurin@17]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
@@ -43,6 +44,20 @@ jobs:
           distribution: temurin
           java-version: 8
 
+      - name: Setup Java (temurin@11)
+        if: matrix.java == 'temurin@11'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 11
+
+      - name: Setup Java (temurin@17)
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 17
+
       - name: Cache sbt
         uses: actions/cache@v2
         with:
@@ -56,22 +71,25 @@ jobs:
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
       - name: Check that workflows are up to date
-        run: sbt ++${{ matrix.scala }} githubWorkflowCheck
+        run: sbt '++${{ matrix.scala }}' 'project /' githubWorkflowCheck
+
+      - name: Check headers and formatting
+        run: sbt '++${{ matrix.scala }}' headerCheckAll scalafmtCheckAll 'project /' scalafmtSbtCheck
 
-      - name: Check formatting
-        run: sbt ++${{ matrix.scala }} scalafmtCheckAll scalafmtSbtCheck
+      - name: Test
+        run: sbt '++${{ matrix.scala }}' test
 
-      - name: Check headers
-        run: sbt ++${{ matrix.scala }} headerCheckAll
+      - name: Check binary compatibility
+        run: sbt '++${{ matrix.scala }}' mimaReportBinaryIssues
 
-      - name: Compile
-        run: 'sbt ++${{ matrix.scala }} test:compile'
+      - name: Generate API documentation
+        run: sbt '++${{ matrix.scala }}' doc
 
-      - name: Run tests
-        run: sbt ++${{ matrix.scala }} test
+      - name: Check unused compile dependencies
+        run: sbt '++${{ matrix.scala }}' unusedCompileDependenciesTest
 
-      - name: Build docs
-        run: sbt ++${{ matrix.scala }} doc
+      - name: Make target directories
+        run: mkdir -p target core/target project/target
 
       - name: Compress target directories
         run: tar cf targets.tar target core/target project/target
@@ -85,7 +103,7 @@ jobs:
   publish:
     name: Publish Artifacts
     needs: [build]
-    if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v'))
+    if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
     strategy:
       matrix:
         os: [ubuntu-latest]
@@ -105,6 +123,20 @@ jobs:
           distribution: temurin
           java-version: 8
 
+      - name: Setup Java (temurin@11)
+        if: matrix.java == 'temurin@11'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 11
+
+      - name: Setup Java (temurin@17)
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 17
+
       - name: Cache sbt
         uses: actions/cache@v2
         with:
@@ -128,6 +160,15 @@ jobs:
           rm targets.tar
 
       - name: Import signing key
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
         run: echo $PGP_SECRET | base64 -d | gpg --import
 
-      - run: sbt ++${{ matrix.scala }} release
+      - name: Import signing key and strip passphrase
+        if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE != ''
+        run: |
+          echo "$PGP_SECRET" | base64 -d > /tmp/signing-key.gpg
+          echo "$PGP_PASSPHRASE" | gpg --pinentry-mode loopback --passphrase-fd 0 --import /tmp/signing-key.gpg
+          (echo "$PGP_PASSPHRASE"; echo; echo) | gpg --command-fd 0 --pinentry-mode loopback --change-passphrase $(gpg --list-secret-keys --with-colons 2> /dev/null | grep '^sec:' | cut --delimiter ':' --fields 5 | tail -n 1)
+
+      - name: Publish
+        run: sbt '++${{ matrix.scala }}' tlRelease
diff --git a/build.sbt b/build.sbt
index 428b6a6..da0f402 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-enablePlugins(SonatypeCiReleasePlugin)
+enablePlugins(TypelevelCiReleasePlugin)
 
 // Projects
 lazy val `sbt-http4s-org` = project
@@ -10,45 +10,16 @@ lazy val core = project
   .in(file("core"))
   .enablePlugins(SbtPlugin)
   .settings(
-    name := "sbt-http4s-org",
-    addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.23.0"),
-    addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
+    name := "sbt-http4s-org"
   )
 
-// General Settings
-inThisBuild(
-  List(
-    organization := "org.http4s",
-    organizationName := "http4s.org",
-    publishGithubUser := "rossabaker",
-    publishFullName := "Ross A. Baker",
-    baseVersion := "0.7",
-    crossScalaVersions := Seq("2.12.15"),
-    developers := List(
-      Developer(
-        "rossabaker",
-        "Ross A. Baker",
-        "ross@rossabaker.com",
-        url("https://github.com/rossabaker"))
-    ),
-    homepage := Some(url("https://github.com/http4s/sbt-http4s-org")),
-    scmInfo := Some(
-      ScmInfo(
-        url("https://github.com/http4s/sbt-http4s-org.git"),
-        "git@github.com:http4s/sbt-http4s-org.git")),
-    startYear := Some(2020),
-    licenses := Seq("Apache-2.0" -> url("https://www.apache.org/licenses/LICENSE-2.0.html")),
-    githubWorkflowTargetTags ++= Seq("v*"),
-    githubWorkflowBuild := Seq(
-      WorkflowStep
-        .Sbt(List("scalafmtCheckAll", "scalafmtSbtCheck"), name = Some("Check formatting")),
-      WorkflowStep
-        .Sbt(List("headerCheckAll"), name = Some("Check headers")),
-      WorkflowStep.Sbt(List("test:compile"), name = Some("Compile")),
-      WorkflowStep.Sbt(List("test"), name = Some("Run tests")),
-      WorkflowStep.Sbt(List("doc"), name = Some("Build docs"))
-    ),
-    githubWorkflowJavaVersions := Seq(JavaSpec.temurin("8")),
-    githubWorkflowEnv += ("JABBA_INDEX" -> "https://github.com/typelevel/jdk-index/raw/main/index.json"),
-    spiewakMainBranches := Seq("main")
-  ))
+ThisBuild / tlBaseVersion := "0.10"
+ThisBuild / crossScalaVersions := Seq("2.12.15")
+ThisBuild / developers := List(
+  Developer(
+    "rossabaker",
+    "Ross A. Baker",
+    "ross@rossabaker.com",
+    url("https://github.com/rossabaker"))
+)
+ThisBuild / startYear := Some(2020)
diff --git a/core/build.sbt b/core/build.sbt
new file mode 100644
index 0000000..11b7cad
--- /dev/null
+++ b/core/build.sbt
@@ -0,0 +1,2 @@
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.4.0-M4")
+addSbtPlugin("com.github.cb372" % "sbt-explicit-dependencies" % "0.2.16")
diff --git a/core/src/main/scala/org/http4s/sbt/Http4sOrgPlugin.scala b/core/src/main/scala/org/http4s/sbt/Http4sOrgPlugin.scala
index 7a4adbf..73307f2 100644
--- a/core/src/main/scala/org/http4s/sbt/Http4sOrgPlugin.scala
+++ b/core/src/main/scala/org/http4s/sbt/Http4sOrgPlugin.scala
@@ -19,19 +19,18 @@ package org.http4s.sbt
 import sbt._
 import sbt.Keys._
 
-import com.typesafe.sbt.SbtGit.git
-import sbtghactions._
-import sbtghactions.GenerativeKeys._
-import sbtspiewak._, SonatypeCiReleasePlugin.autoImport._
+import explicitdeps.ExplicitDepsPlugin
+import org.typelevel.sbt.gha._, GenerativeKeys._
+import org.typelevel.sbt._
 
 object Http4sOrgPlugin extends AutoPlugin {
   object autoImport
 
   override def trigger = allRequirements
 
-  override def requires = SpiewakPlugin && SonatypeCiReleasePlugin
+  override def requires = TypelevelPlugin && ExplicitDepsPlugin
 
-  override def buildSettings = organizationSettings ++ githubActionsSettings ++ http4sStyleSnapshots
+  override def buildSettings = organizationSettings ++ githubActionsSettings
 
   val organizationSettings: Seq[Setting[_]] =
     Seq(
@@ -41,39 +40,14 @@ object Http4sOrgPlugin extends AutoPlugin {
 
   val githubActionsSettings: Seq[Setting[_]] =
     Seq(
-      spiewakMainBranches := Seq("main"),
       githubWorkflowJavaVersions := List("8", "11", "17").map(JavaSpec.temurin(_)),
-      githubWorkflowEnv += ("JABBA_INDEX" -> "https://github.com/typelevel/jdk-index/raw/main/index.json"),
-      githubWorkflowBuild := Seq(
-        WorkflowStep
-          .Sbt(List("scalafmtCheckAll", "scalafmtSbtCheck"), name = Some("Check formatting")),
-        WorkflowStep.Sbt(List("headerCheckAll"), name = Some("Check headers")),
-        WorkflowStep.Sbt(List("test:compile"), name = Some("Compile")),
-        WorkflowStep.Sbt(List("mimaReportBinaryIssues"), name = Some("Check binary compatibility")),
+      githubWorkflowBuildPostamble ++= Seq(
         WorkflowStep.Sbt(
           List("unusedCompileDependenciesTest"),
-          name = Some("Check unused compile dependencies")),
-        WorkflowStep.Sbt(List("test"), name = Some("Run tests")),
-        WorkflowStep.Sbt(List("doc"), name = Some("Build docs"))
+          name = Some("Check unused compile dependencies"))
       ),
       githubWorkflowBuildMatrixFailFast := Some(false),
-      githubWorkflowArtifactUpload := false,
       githubWorkflowTargetBranches := Seq("**")
     )
 
-  val http4sStyleSnapshots: Seq[Setting[_]] =
-    Seq(
-      isSnapshot :=
-        git.gitCurrentTags.value.isEmpty || git.gitUncommittedChanges.value,
-      version := {
-        val v = version.value
-        val suffix = "-SNAPSHOT"
-        if (isSnapshot.value && !v.endsWith(suffix)) v + suffix else v
-      },
-      githubWorkflowPublish := Seq(
-        WorkflowStep.Sbt(List("+publish")),
-        WorkflowStep
-          .Sbt(List("sonatypeBundleRelease"), cond = Some("startsWith(github.ref, 'refs/tags/v')"))
-      )
-    )
 }
diff --git a/project/Http4sOrgPlugin.scala b/project/Http4sOrgPlugin.scala
new file mode 120000
index 0000000..b1f7751
--- /dev/null
+++ b/project/Http4sOrgPlugin.scala
@@ -0,0 +1 @@
+../core/src/main/scala/org/http4s/sbt/Http4sOrgPlugin.scala
\ No newline at end of file
diff --git a/project/core.sbt b/project/core.sbt
new file mode 120000
index 0000000..f24fe19
--- /dev/null
+++ b/project/core.sbt
@@ -0,0 +1 @@
+../core/build.sbt
\ No newline at end of file
diff --git a/project/plugins.sbt b/project/plugins.sbt
deleted file mode 100644
index d36d4ab..0000000
--- a/project/plugins.sbt
+++ /dev/null
@@ -1,2 +0,0 @@
-addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.23.0")
-addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")