diff --git a/pipeline/brew/template.go b/pipeline/brew/template.go
index a70ff4c82..392c9db07 100644
--- a/pipeline/brew/template.go
+++ b/pipeline/brew/template.go
@@ -58,7 +58,7 @@ const formulaTemplate = `class {{ .Name }} < Formula
 
   plist_options :startup => false
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     {{ .Plist }}
     EOS
   end
diff --git a/pipeline/brew/testdata/run_pipe.rb.golden b/pipeline/brew/testdata/run_pipe.rb.golden
index 80faa6972..72b0fcfcf 100644
--- a/pipeline/brew/testdata/run_pipe.rb.golden
+++ b/pipeline/brew/testdata/run_pipe.rb.golden
@@ -21,7 +21,7 @@ class RunPipe < Formula
 
   plist_options :startup => false
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <xml>whatever</xml>
     EOS
   end
diff --git a/pipeline/brew/testdata/run_pipe_download_strategy.rb.golden b/pipeline/brew/testdata/run_pipe_download_strategy.rb.golden
index c57407b76..fe5efc9b6 100644
--- a/pipeline/brew/testdata/run_pipe_download_strategy.rb.golden
+++ b/pipeline/brew/testdata/run_pipe_download_strategy.rb.golden
@@ -21,7 +21,7 @@ class RunPipe < Formula
 
   plist_options :startup => false
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <xml>whatever</xml>
     EOS
   end
diff --git a/pipeline/brew/testdata/run_pipe_enterprise.rb.golden b/pipeline/brew/testdata/run_pipe_enterprise.rb.golden
index 4b24ce03a..d0df1ac82 100644
--- a/pipeline/brew/testdata/run_pipe_enterprise.rb.golden
+++ b/pipeline/brew/testdata/run_pipe_enterprise.rb.golden
@@ -21,7 +21,7 @@ class RunPipe < Formula
 
   plist_options :startup => false
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     <xml>whatever</xml>
     EOS
   end
diff --git a/pipeline/brew/testdata/test.rb.golden b/pipeline/brew/testdata/test.rb.golden
index 80da53fc7..9c110e37f 100644
--- a/pipeline/brew/testdata/test.rb.golden
+++ b/pipeline/brew/testdata/test.rb.golden
@@ -20,7 +20,7 @@ class Test < Formula
 
   plist_options :startup => false
 
-  def plist; <<-EOS.undent
+  def plist; <<~EOS
     it works
     EOS
   end