diff --git a/.github/ci-mimir-daemon.properties b/.github/ci-mimir-daemon.properties
new file mode 100644
index 000000000000..86a84b6ac58d
--- /dev/null
+++ b/.github/ci-mimir-daemon.properties
@@ -0,0 +1,21 @@
+#
+#  Licensed to the Apache Software Foundation (ASF) under one or more
+#  contributor license agreements.  See the NOTICE file distributed with
+#  this work for additional information regarding copyright ownership.
+#  The ASF licenses this file to You under the Apache License, Version 2.0
+#  (the "License"); you may not use this file except in compliance with
+#  the License.  You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+# Mimir Daemon properties
+
+# Disable JGroups; we don't want/use LAN cache sharing
+mimir.jgroups.enabled=false
\ No newline at end of file
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 83681df2fbcf..56f2386a4de7 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -45,7 +45,9 @@ jobs:
         shell: bash
         run: |
           mkdir -p ~/.m2
+          mkdir -p ~/.mimir
           cp .github/ci-extensions.xml ~/.m2/extensions.xml
+          cp .github/ci-mimir-daemon.properties ~/.mimir/daemon.properties
 
       - name: Handle Mimir caches
         uses: actions/cache@v4
@@ -112,7 +114,9 @@ jobs:
         shell: bash
         run: |
           mkdir -p ~/.m2
+          mkdir -p ~/.mimir
           cp .github/ci-extensions.xml ~/.m2/extensions.xml
+          cp .github/ci-mimir-daemon.properties ~/.mimir/daemon.properties
 
       - name: Handle Mimir caches
         uses: actions/cache@v4
@@ -193,7 +197,9 @@ jobs:
         shell: bash
         run: |
           mkdir -p ~/.m2
+          mkdir -p ~/.mimir
           cp .github/ci-extensions.xml ~/.m2/extensions.xml
+          cp .github/ci-mimir-daemon.properties ~/.mimir/daemon.properties
 
       - name: Handle Mimir caches
         uses: actions/cache@v4