diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b9395e87..95d54aa5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -296,6 +296,40 @@ jobs:
       - name: Publish
         run: sbt '++ ${{ matrix.scala }}' tlCiRelease
 
+  validate-steward:
+    name: Validate Steward Config
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        scala: [2.13.6]
+        java: [temurin@11]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout current branch (fast)
+        uses: actions/checkout@v3
+
+      - name: Download Java (temurin@17)
+        id: download-java-temurin-17
+        if: matrix.java == 'temurin@17'
+        uses: typelevel/download-java@v2
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup Java (temurin@17)
+        if: matrix.java == 'temurin@17'
+        uses: actions/setup-java@v3
+        with:
+          distribution: jdkfile
+          java-version: 17
+          jdkFile: ${{ steps.download-java-temurin-17.outputs.jdkFile }}
+
+      - uses: coursier/setup-action@v1
+        with:
+          apps: scala-steward
+
+      - run: scala-steward validate-repo-config .scala-steward.conf
+
   site:
     name: Generate Site
     strategy:
diff --git a/project/plugins.sbt b/project/plugins.sbt
index f6e6eca4..80e269a7 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -2,6 +2,6 @@ addSbtPlugin("org.scala-js"       % "sbt-scalajs"                   % "1.13.1")
 addSbtPlugin("org.scala-native"   % "sbt-scala-native"              % "0.4.12")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.1")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh"                       % "0.4.4")
-val sbtTypelevelVersion = "0.4.19"
+val sbtTypelevelVersion = "0.4.20"
 addSbtPlugin("org.typelevel" % "sbt-typelevel"      % sbtTypelevelVersion)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % sbtTypelevelVersion)