diff --git a/infra/config/generated/cr-buildbucket.cfg b/infra/config/generated/cr-buildbucket.cfg
index 9ddf93a..02d42d8 100644
--- a/infra/config/generated/cr-buildbucket.cfg
+++ b/infra/config/generated/cr-buildbucket.cfg
@@ -14,7 +14,7 @@
       name: "linux"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-22.04"
+      dimensions: "os:Ubuntu-24.04"
       dimensions: "pool:luci.flex.ci"
       recipe {
         name: "gn"
@@ -92,7 +92,7 @@
       name: "linux"
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-22.04"
+      dimensions: "os:Ubuntu-24.04"
       dimensions: "pool:luci.flex.try"
       recipe {
         name: "gn"
diff --git a/infra/config/generated/project.cfg b/infra/config/generated/project.cfg
index bb145a6..e5d8865 100644
--- a/infra/config/generated/project.cfg
+++ b/infra/config/generated/project.cfg
@@ -7,7 +7,7 @@
 name: "gn"
 access: "group:all"
 lucicfg {
-  version: "1.45.6"
+  version: "1.46.0"
   package_dir: ".."
   config_dir: "generated"
   entry_point: "main.star"
diff --git a/infra/config/main.star b/infra/config/main.star
index 20b6651..fae703a 100755
--- a/infra/config/main.star
+++ b/infra/config/main.star
@@ -116,7 +116,7 @@
         short_name = name,
     )
 
-ci_builder("linux", "Ubuntu-22.04")
+ci_builder("linux", "Ubuntu-24.04")
 
 # macOS version for this builder should be synced with
 # https://source.corp.google.com/h/chromium/infra/infra_superproject/+/main:infra_internal/infra/config/subprojects/gn.star
@@ -196,7 +196,7 @@
         cq_group = "gn",
     )
 
-try_builder("linux", "Ubuntu-22.04")
+try_builder("linux", "Ubuntu-24.04")
 
 # macOS version for this builder should be synced with
 # https://source.corp.google.com/h/chromium/infra/infra_superproject/+/main:infra_internal/infra/config/subprojects/gn.star