diff --git a/common.bazelrc b/common.bazelrc
index f561c064ba..86c594f9e2 100644
--- a/common.bazelrc
+++ b/common.bazelrc
@@ -15,6 +15,13 @@ build --symlink_prefix=dist/
 # build --symlink_prefix=/
 # however this makes it harder to find outputs.
 
+# Make compilation fast, by keeping a few copies of the compilers
+# running as workers. These can cache SourceFile AST's to reduce parse time.
+# You can control how many workers, see
+# https://docs.bazel.build/versions/master/command-line-reference.html#flag--worker_max_instances
+build --strategy=AngularTemplateCompile=worker
+build --strategy=TypeScriptCompile=worker
+
 # Specifies desired output mode for running tests.
 # Valid values are
 #   'summary' to output only test status summary