diff --git a/infra/config/generated/cr-buildbucket.cfg b/infra/config/generated/cr-buildbucket.cfg
index cc62d6d3..0ab25244 100644
--- a/infra/config/generated/cr-buildbucket.cfg
+++ b/infra/config/generated/cr-buildbucket.cfg
@@ -23,7 +23,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.ci"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -57,7 +57,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.ci"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -91,7 +91,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.ci"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -124,7 +124,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.ci"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -303,7 +303,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.ci"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -336,7 +336,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.ci"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -537,7 +537,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.try"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -568,7 +568,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.try"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -599,7 +599,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.try"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -629,7 +629,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.try"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -793,7 +793,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.try"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
@@ -823,7 +823,7 @@ buckets {
       swarming_host: "chromium-swarm.appspot.com"
       dimensions: "cores:8"
       dimensions: "cpu:x86-64"
-      dimensions: "os:Ubuntu-18.04"
+      dimensions: "os:Ubuntu-22.04"
       dimensions: "pool:luci.flex.try"
       exe {
         cipd_package: "infra/recipe_bundles/chromium.googlesource.com/chromium/tools/build"
diff --git a/infra/config/generated/project.cfg b/infra/config/generated/project.cfg
index 08e6d529..59369e18 100644
--- a/infra/config/generated/project.cfg
+++ b/infra/config/generated/project.cfg
@@ -7,7 +7,7 @@
 name: "crashpad"
 access: "group:all"
 lucicfg {
-  version: "1.43.5"
+  version: "1.43.6"
   package_dir: ".."
   config_dir: "generated"
   entry_point: "main.star"
diff --git a/infra/config/main.star b/infra/config/main.star
index ab9e55a0..3c719e92 100755
--- a/infra/config/main.star
+++ b/infra/config/main.star
@@ -156,11 +156,11 @@ def crashpad_dimensions(platform, bucket):
     dimensions["pool"] = "luci.flex." + bucket
 
     if platform == "fuchsia":
-        dimensions["os"] = "Ubuntu-18.04"
+        dimensions["os"] = "Ubuntu-22.04"
     elif platform == "ios":
         dimensions["os"] = "Mac-13|Mac-14"
     elif platform == "linux":
-        dimensions["os"] = "Ubuntu-18.04"
+        dimensions["os"] = "Ubuntu-22.04"
     elif platform == "mac":
         dimensions["os"] = "Mac-13|Mac-14"
     elif platform == "win":