diff --git a/infra/config/cr-buildbucket.cfg b/infra/config/cr-buildbucket.cfg
index 108fe2b25..dda8d121f 100644
--- a/infra/config/cr-buildbucket.cfg
+++ b/infra/config/cr-buildbucket.cfg
@@ -336,7 +336,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "libyuv/libyuv"
@@ -344,8 +344,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-trusted\"}"
         properties_j: "builder_group:\"client.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_mac_17a324"
+        path: "xcode_mac_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -354,7 +359,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "libyuv/libyuv"
@@ -362,8 +367,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-trusted\"}"
         properties_j: "builder_group:\"client.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_mac_17a324"
+        path: "xcode_mac_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -372,7 +382,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "libyuv/libyuv"
@@ -380,8 +390,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-trusted\"}"
         properties_j: "builder_group:\"client.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_mac_17a324"
+        path: "xcode_mac_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -542,7 +557,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "libyuv/libyuv"
@@ -550,8 +565,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-trusted\"}"
         properties_j: "builder_group:\"client.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_ios_17a324"
+        path: "xcode_ios_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -560,7 +580,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "libyuv/libyuv"
@@ -568,8 +588,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-trusted\"}"
         properties_j: "builder_group:\"client.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_ios_17a324"
+        path: "xcode_ios_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -718,7 +743,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "libyuv/libyuv"
@@ -726,8 +751,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-untrusted\"}"
         properties_j: "builder_group:\"tryserver.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_ios_17a324"
+        path: "xcode_ios_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -736,7 +766,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "libyuv/libyuv"
@@ -744,8 +774,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-untrusted\"}"
         properties_j: "builder_group:\"tryserver.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_ios_17a324"
+        path: "xcode_ios_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -906,7 +941,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "libyuv/libyuv"
@@ -914,8 +949,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-untrusted\"}"
         properties_j: "builder_group:\"tryserver.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_mac_17a324"
+        path: "xcode_mac_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -924,7 +964,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "libyuv/libyuv"
@@ -932,8 +972,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-untrusted\"}"
         properties_j: "builder_group:\"tryserver.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_mac_17a324"
+        path: "xcode_mac_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
@@ -942,7 +987,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       swarming_tags: "vpython:native-python-wrapper"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Mac-12"
+      dimensions: "os:Mac-15"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "libyuv/libyuv"
@@ -950,8 +995,13 @@ buckets {
         cipd_version: "refs/heads/main"
         properties_j: "$build/siso:{\"configs\":[\"builder\"],\"enable_cloud_profiler\":true,\"enable_cloud_trace\":true,\"enable_monitoring\":true,\"project\":\"rbe-webrtc-untrusted\"}"
         properties_j: "builder_group:\"tryserver.libyuv\""
+        properties_j: "xcode_build_version:\"17a324\""
       }
       execution_timeout_secs: 10800
+      caches {
+        name: "xcode_mac_17a324"
+        path: "xcode_mac_17a324.app"
+      }
       build_numbers: YES
       service_account: "libyuv-try-builder@chops-service-accounts.iam.gserviceaccount.com"
     }
diff --git a/infra/config/main.star b/infra/config/main.star
index 97a470085..6a2983372 100755
--- a/infra/config/main.star
+++ b/infra/config/main.star
@@ -5,6 +5,10 @@
 
 lucicfg.check_version("1.30.9")
 
+load("@chromium-luci//xcode.star", _xcode = "xcode")
+
+_XCODE_VERSION = "17a324"
+
 LIBYUV_GIT = "https://chromium.googlesource.com/libyuv/libyuv"
 LIBYUV_GERRIT = "https://chromium-review.googlesource.com/libyuv/libyuv"
 
@@ -191,14 +195,14 @@ def get_os_dimensions(os):
     if os == "android":
         return {"device_type": "walleye"}
     if os == "ios" or os == "mac":
-        return {"os": "Mac-12", "cpu": "x86-64"}
+        return {"os": "Mac-15", "cpu": "x86-64"}
     elif os == "win":
         return {"os": "Windows-10", "cores": "8", "cpu": "x86-64"}
     elif os == "linux":
         return {"os": "Ubuntu-22.04", "cores": "8", "cpu": "x86-64"}
     return {}
 
-def libyuv_ci_builder(name, dimensions, properties, triggered_by):
+def libyuv_ci_builder(name, dimensions, properties, triggered_by, caches):
     return luci.builder(
         name = name,
         dimensions = dimensions,
@@ -213,9 +217,10 @@ def libyuv_ci_builder(name, dimensions, properties, triggered_by):
             name = "libyuv/libyuv",
             cipd_package = "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build",
         ),
+        caches = caches
     )
 
-def libyuv_try_builder(name, dimensions, properties, recipe_name = "libyuv/libyuv"):
+def libyuv_try_builder(name, dimensions, properties, caches, recipe_name = "libyuv/libyuv"):
     return luci.builder(
         name = name,
         dimensions = dimensions,
@@ -229,11 +234,23 @@ def libyuv_try_builder(name, dimensions, properties, recipe_name = "libyuv/libyu
             name = recipe_name,
             cipd_package = "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build",
         ),
+        caches = caches
     )
 
-def get_build_properties(bucket):
+def get_xcode(os):
+  if os == "mac":
+    return _xcode.for_mac(_XCODE_VERSION)
+  if os == "ios":
+    return _xcode.for_ios(_XCODE_VERSION)
+  return None
+
+def get_caches(os):
+  xcode = get_xcode(os)
+  return [xcode.cache] if xcode else []
+
+def get_build_properties(bucket, os):
     rbe_project = RBE_PROJECT.get(bucket)
-    return {
+    properties = {
         "$build/siso": {
             "project": rbe_project,
             "configs": ["builder"],
@@ -242,35 +259,41 @@ def get_build_properties(bucket):
             "enable_monitoring": True,
         },
     }
+    xcode = get_xcode(os)
+    if xcode:
+      properties["xcode_build_version"] = xcode.version
+    return properties
 
 def ci_builder(name, os, category, short_name = None):
     dimensions = get_os_dimensions(os)
-    properties = get_build_properties("ci")
+    properties = get_build_properties("ci", os)
 
     dimensions["pool"] = "luci.flex.ci"
     properties["builder_group"] = "client.libyuv"
 
     triggered_by = ["master-gitiles-trigger" if os != "android" else "Android Debug"]
     libyuv_ci_view(name, category, short_name)
-    return libyuv_ci_builder(name, dimensions, properties, triggered_by)
+    caches = get_caches(os)
+    return libyuv_ci_builder(name, dimensions, properties, triggered_by, caches)
 
 def try_builder(name, os, experiment_percentage = None):
     dimensions = get_os_dimensions(os)
-    properties = get_build_properties("try")
+    properties = get_build_properties("try", os)
 
     dimensions["pool"] = "luci.flex.try"
     properties["builder_group"] = "tryserver.libyuv"
+    caches = get_caches(os)
 
     if name == "presubmit":
         recipe_name = "run_presubmit"
         properties["repo_name"] = "libyuv"
         properties["runhooks"] = True
         libyuv_try_job_verifier(name, "config", experiment_percentage)
-        return libyuv_try_builder(name, dimensions, properties, recipe_name)
+        return libyuv_try_builder(name, dimensions, properties, caches, recipe_name)
 
     libyuv_try_job_verifier(name, "master", experiment_percentage)
     libyuv_try_view(name)
-    return libyuv_try_builder(name, dimensions, properties)
+    return libyuv_try_builder(name, dimensions, properties, caches)
 
 luci.builder(
     name = "DEPS Autoroller",
diff --git a/infra/config/project.cfg b/infra/config/project.cfg
index 72aeea73e..09a40e350 100644
--- a/infra/config/project.cfg
+++ b/infra/config/project.cfg
@@ -8,6 +8,7 @@ name: "libyuv"
 access: "group:all"
 lucicfg {
   version: "1.45.8"
+  package_name: "@libyuv-project"
   package_dir: "."
   config_dir: "."
   entry_point: "main.star"