diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b59003..75eaccb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
 
       - name: Setup Java (temurin@21)
         if: matrix.java == 'temurin@21'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 21
@@ -121,7 +121,7 @@ jobs:
 
       - name: Setup Java (temurin@21)
         if: matrix.java == 'temurin@21'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 21
diff --git a/project/build.properties b/project/build.properties
index abbbce5..04267b1 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.9.8
+sbt.version=1.9.9