diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 72e4c46..a17bfd4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         scala: [2.12.19]
-        java: [zulu@8]
+        java: [zulu@11]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
@@ -31,12 +31,12 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Setup Java (zulu@8)
-        if: matrix.java == 'zulu@8'
+      - name: Setup Java (zulu@11)
+        if: matrix.java == 'zulu@11'
         uses: actions/setup-java@v4
         with:
           distribution: zulu
-          java-version: 8
+          java-version: 11
           cache: sbt
 
       - name: Setup sbt
diff --git a/.mergify.yml b/.mergify.yml
index 3fc318d..c775ff5 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -9,7 +9,7 @@ pull_request_rules:
           - author=scala-steward
           - author=slick-scala-steward[bot]
           - author=renovate[bot]
-      - check-success=Build and Test (ubuntu-latest, 2.12.19, zulu@8)
+      - check-success=Build and Test (ubuntu-latest, 2.12.19, zulu@11)
     actions:
         queue:
             name: default
diff --git a/build.sbt b/build.sbt
index 91ebc82..2a51505 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-import _root_.io.github.nafg.mergify.dsl._
+import _root_.io.github.nafg.mergify.dsl.*
 
 libraryDependencies ++= List(
   "org.slf4j" % "slf4j-nop" % "2.0.16",
@@ -20,13 +20,13 @@ mergifyExtraConditions := Seq(
 lazy val runAll = taskKey[Unit]("Run all main classes")
 
 def runAllIn(config: Configuration) = Def.task {
-    val s = streams.value
-    val cp = (config / fullClasspath).value
-    val r = (config / run / runner).value
-    val classes = (config / discoveredMainClasses).value
-    classes.foreach { className =>
-      r.run(className, cp.files, Seq(), s.log).get
-    }
+  val s = streams.value
+  val cp = (config / fullClasspath).value
+  val r = (config / run / runner).value
+  val classes = (config / discoveredMainClasses).value
+  classes.foreach { className =>
+    r.run(className, cp.files, Seq(), s.log).get
+  }
 }
 
 runAll := {
@@ -34,6 +34,9 @@ runAll := {
   runAllIn(Test).value
 }
 
-ThisBuild / githubWorkflowBuild += WorkflowStep.Sbt(List("runAll"), name = Some(s"Run all main classes"))
-
 ThisBuild / githubWorkflowPublishTargetBranches := Seq()
+ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.zulu("11"))
+ThisBuild / githubWorkflowBuild += WorkflowStep.Sbt(
+  List("runAll"),
+  name = Some(s"Run all main classes")
+)