diff --git a/.github/actions/prepare_vm/action.yaml b/.github/actions/prepare_vm/action.yaml
index 276a62d1e7..79908a9478 100644
--- a/.github/actions/prepare_vm/action.yaml
+++ b/.github/actions/prepare_vm/action.yaml
@@ -7,6 +7,7 @@ runs:
     - name: Install dependencies
       shell: bash
       run: |
+        sudo apt-get -y update
         sudo apt-get -y install git cmake ninja-build libidn11-dev ragel yasm
         wget https://apt.llvm.org/llvm.sh
         chmod u+x llvm.sh
diff --git a/.github/workflows/warmup_cache.yaml b/.github/workflows/warmup_cache.yaml
index f224b4e7ad..0d719f1f18 100644
--- a/.github/workflows/warmup_cache.yaml
+++ b/.github/workflows/warmup_cache.yaml
@@ -2,7 +2,7 @@ name: Warm up cache
 
 on:  
   schedule:
-    - cron: "0 12 * * *"
+    - cron: "0 12 * * 0"
   workflow_dispatch:
 
 jobs: