diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7883b18..e44a440 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
 
       - name: Setup Java (temurin@8)
         if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 8
@@ -42,7 +42,7 @@ jobs:
 
       - name: Setup Java (temurin@11)
         if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 11
@@ -50,7 +50,7 @@ jobs:
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
@@ -75,7 +75,7 @@ jobs:
         run: tar cf targets.tar target support/stream-circe/target http-json/target tests/target stream-json/target support/http-circe/target project/target
 
       - name: Upload target directories
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: target-${{ matrix.os }}-${{ matrix.scala }}-${{ matrix.java }}
           path: targets.tar
@@ -98,7 +98,7 @@ jobs:
 
       - name: Setup Java (temurin@8)
         if: matrix.java == 'temurin@8'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 8
@@ -106,7 +106,7 @@ jobs:
 
       - name: Setup Java (temurin@11)
         if: matrix.java == 'temurin@11'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 11
@@ -114,14 +114,14 @@ jobs:
 
       - name: Setup Java (temurin@17)
         if: matrix.java == 'temurin@17'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
           cache: sbt
 
       - name: Download target directories (2.12.18)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-2.12.18-${{ matrix.java }}
 
@@ -131,7 +131,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (2.13.12)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-2.13.12-${{ matrix.java }}
 
@@ -141,7 +141,7 @@ jobs:
           rm targets.tar
 
       - name: Download target directories (3.3.1)
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: target-${{ matrix.os }}-3.3.1-${{ matrix.java }}