diff --git a/ci/builders/linux_unopt.json b/ci/builders/linux_unopt.json
index 6058544cb691b..6096792f84481 100644
--- a/ci/builders/linux_unopt.json
+++ b/ci/builders/linux_unopt.json
@@ -3,7 +3,8 @@
         {
             "drone_dimensions": [
                 "device_type=none",
-                "os=Linux"
+                "os=Linux",
+                "cores=32"
             ],
             "gn": [
                 "--runtime-mode",
diff --git a/testing/run_all_unittests.cc b/testing/run_all_unittests.cc
index 8d08a3a59ebdb..4213a9c754d9a 100644
--- a/testing/run_all_unittests.cc
+++ b/testing/run_all_unittests.cc
@@ -23,8 +23,8 @@ std::optional<fml::TimeDelta> GetTestTimeout() {
 
   std::string timeout_seconds;
   if (!command_line.GetOptionValue("timeout", &timeout_seconds)) {
-    // No timeout specified. Default to 120s.
-    return fml::TimeDelta::FromSeconds(120u);
+    // No timeout specified. Default to 300s.
+    return fml::TimeDelta::FromSeconds(300u);
   }
 
   const auto seconds = std::stoi(timeout_seconds);