diff --git a/.github/workflows/aot-test.yml b/.github/workflows/aot-test.yml
index 6d8925e..9f82281 100644
--- a/.github/workflows/aot-test.yml
+++ b/.github/workflows/aot-test.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         # Only test on Mac and Ubuntu – these are the fastest platforms.
         # Windows and Linux ARM are built later after the PR is merged.
-        os: [macos-14, ubuntu-22.04]
+        os: [macos-15, ubuntu-22.04]
     steps:
       - uses: actions/checkout@v7
 
@@ -38,6 +38,13 @@ jobs:
           # sbt 2 nests build outputs under target/out/<platform>/<scala version>/<project>/
           mv target/out/jvm/scala-*/jelly-cli/graalvm-native-image/jelly-cli jelly-cli
           
+          # Make sure the binary still runs on macOS 14 (see graalOptions in build.sbt)
+          if [ "$RUNNER_OS" == "macOS" ]; then
+            otool -l jelly-cli | grep -A4 LC_BUILD_VERSION
+            otool -l jelly-cli | grep -A4 LC_BUILD_VERSION | grep -q "minos 14.0" \
+              || exit 1
+          fi
+          
           # See if it runs at all
           ./jelly-cli version || exit 1
           
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index cec79b1..0c19af8 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-14, windows-2022, ubuntu-22.04, ubuntu-22.04-arm]
+        os: [macos-15, windows-2022, ubuntu-22.04, ubuntu-22.04-arm]
     steps:
       - uses: actions/checkout@v7
 
@@ -81,7 +81,7 @@ jobs:
       - name: Rename binaries
         run: |
           mv jelly-cli-assembly/jelly-cli.jar jelly-cli.jar
-          mv jelly-cli-macos-14/jelly-cli jelly-cli-mac-arm64
+          mv jelly-cli-macos-15/jelly-cli jelly-cli-mac-arm64
           mv jelly-cli-ubuntu-22.04/jelly-cli jelly-cli-linux-x86_64
           mv jelly-cli-ubuntu-22.04-arm/jelly-cli jelly-cli-linux-arm64
           mv jelly-cli-windows-2022/jelly-cli.exe jelly-cli-windows-x86_64.exe
diff --git a/build.sbt b/build.sbt
index a6945ca..a591ba2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -48,6 +48,10 @@ lazy val graalOptions = Seq(
   // Include XML error messages
   // Issue: https://github.com/Jelly-RDF/cli/issues/217
   "-H:IncludeResourceBundles=com.sun.org.apache.xerces.internal.impl.msg.XMLMessages",
+) ++ (
+  // Without this, the minimum macOS version is the one of the build machine.
+  if (scala.util.Properties.isMac) Seq("-H:NativeLinkerOption=-mmacosx-version-min=14.0")
+  else Seq()
 )
 
 lazy val TestSerial = config("test-serial") extend Test