diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e267239..0fe4d34 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -102,7 +102,7 @@ jobs:
 
       - name: Upload target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/master')
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.java }}-${{ matrix.scala }}-${{ matrix.project }}
           path: targets.tar
@@ -149,7 +149,7 @@ jobs:
         run: sbt +update
 
       - 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
 
@@ -159,7 +159,7 @@ 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
 
@@ -169,7 +169,7 @@ 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 1c680cf..c7cf629 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,2 +1,2 @@
 addSbtPlugin("com.github.tkawachi" % "sbt-doctest" % "0.10.0")
-addSbtPlugin("io.circe" % "sbt-circe-org" % "0.3.0")
+addSbtPlugin("io.circe" % "sbt-circe-org" % "0.3.1")