diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 212e3691..befe80c1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,7 +35,7 @@ jobs:
     timeout-minutes: 60
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -104,7 +104,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -245,7 +245,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -277,7 +277,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 36b959a3..21a9730f 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,6 +1,6 @@
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.13.2")
 addSbtPlugin("com.github.tkawachi" % "sbt-doctest" % "0.10.0")
-addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.5.0")
-addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.5.0")
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.5.1")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.5.1")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.15")
 addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.2")