diff --git a/.azure-pipelines/pipelines.yml b/.azure-pipelines/pipelines.yml
index e3ef1a164a850..527305ef41d83 100644
--- a/.azure-pipelines/pipelines.yml
+++ b/.azure-pipelines/pipelines.yml
@@ -18,6 +18,12 @@ stages:
     pool:
       vmImage: "ubuntu-18.04"
     steps:
+    - task: Cache@2
+      inputs:
+        key: "format_pre | ./WORKSPACE | **/*.bzl"
+        path: $(Build.StagingDirectory)/repository_cache
+      continueOnError: true
+
     - script: ci/run_envoy_docker.sh 'ci/do_ci.sh format_pre'
       workingDirectory: $(Build.SourcesDirectory)
       env:
@@ -38,6 +44,12 @@ stages:
     pool:
       vmImage: "ubuntu-18.04"
     steps:
+    - task: Cache@2
+      inputs:
+        key: "tooling | ./WORKSPACE | **/*.bzl"
+        path: $(Build.StagingDirectory)/repository_cache
+      continueOnError: true
+
     - script: ci/run_envoy_docker.sh 'ci/do_ci.sh tooling'
       workingDirectory: $(Build.SourcesDirectory)
       env: