diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9976df..261fe9c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,7 +84,7 @@ jobs:
 
       - name: Upload target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main')
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}-${{ matrix.project }}
           path: targets.tar
@@ -118,7 +118,7 @@ jobs:
         run: sbt +update
 
       - name: Download target directories (2.12, rootJS)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootJS
 
@@ -128,7 +128,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.12, rootJVM)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.12-rootJVM
 
@@ -138,7 +138,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.13, rootJS)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootJS
 
@@ -148,7 +148,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.13, rootJVM)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-2.13-rootJVM
 
@@ -158,7 +158,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3, rootJS)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootJS
 
@@ -168,7 +168,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3, rootJVM)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-3-rootJVM
 
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 9689cce..845146c 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,3 +1,3 @@
-addSbtPlugin("org.typelevel" % "sbt-typelevel"      % "0.6.3")
-addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.6.3")
+addSbtPlugin("org.typelevel" % "sbt-typelevel"      % "0.6.5")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % "0.6.5")
 addSbtPlugin("org.scala-js"  % "sbt-scalajs"        % "1.14.0")