diff --git a/.gitignore b/.gitignore
index d85815f18..453417116 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,6 @@ package-lock.json
 
 # For 0x flamegraph directory (https://github.com/davidmarkclements/0x)
 *.0x/
+
+# For Node.js builtin cpu profile file
+*.cpuprofile