diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 01ef7f860..2f6c973c7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -19,6 +19,9 @@ permissions:
   id-token: write
   contents: write
 
+env:
+  CACHE_BACKEND: s3
+
 jobs:
   build:
     runs-on: github-ubuntu-latest-s
diff --git a/.github/workflows/shadow-scans.yml b/.github/workflows/shadow-scans.yml
index 12c23b998..33a8d33fb 100644
--- a/.github/workflows/shadow-scans.yml
+++ b/.github/workflows/shadow-scans.yml
@@ -5,6 +5,9 @@ on:
     - cron: '0 4 * * *'
   workflow_dispatch:
 
+env:
+  CACHE_BACKEND: s3
+
 jobs:
   scan:
     runs-on: github-ubuntu-latest-s
@@ -31,4 +34,4 @@ jobs:
           shadow1_project_key: "org.sonarsource.sonarlint.ls:sonarlint-language-server"
           shadow1_platform: "SQC-EU"
           shadow2_project_key: "org.sonarsource.sonarlint.ls:sonarlint-language-server"
-          shadow2_platform: "SQC-US"
\ No newline at end of file
+          shadow2_platform: "SQC-US"