diff --git a/.gitignore b/.gitignore
index b759663ab3016..7ba17e47282c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -59,6 +59,7 @@ emsize
 emstrip
 emsymbolizer
 tools/file_packager
+tools/wasm-sourcemap
 tools/webidl_binder
 
 # Windows .bat files (created by ./tools/maint/create_entry_points.py)
@@ -81,4 +82,5 @@ emsize.bat
 emstrip.bat
 emsymbolizer.bat
 tools/file_packager.bat
+tools/was-sourcemap.bat
 tools/webidl_binder.bat
diff --git a/tools/maint/create_entry_points.py b/tools/maint/create_entry_points.py
index b86e8fdb8f410..6abee680dd4f6 100755
--- a/tools/maint/create_entry_points.py
+++ b/tools/maint/create_entry_points.py
@@ -46,6 +46,7 @@
 empath-split
 tools/file_packager
 tools/webidl_binder
+tools/wasm-sourcemap
 test/runner
 '''.split()