diff --git a/extensions/markdown-language-features/esbuild-notebook.js b/extensions/markdown-language-features/esbuild-notebook.js
index 202e4677042..bd5a325438d 100644
--- a/extensions/markdown-language-features/esbuild-notebook.js
+++ b/extensions/markdown-language-features/esbuild-notebook.js
@@ -28,5 +28,6 @@ esbuild.build({
 	outdir: outDir,
 	platform: 'browser',
 	target: ['es2020'],
+	watch: isWatch,
 	incremental: isWatch,
 }).catch(() => process.exit(1));
diff --git a/extensions/markdown-language-features/esbuild-preview.js b/extensions/markdown-language-features/esbuild-preview.js
index 692e45c9252..727353c6e44 100644
--- a/extensions/markdown-language-features/esbuild-preview.js
+++ b/extensions/markdown-language-features/esbuild-preview.js
@@ -29,5 +29,6 @@ esbuild.build({
 	outdir: outDir,
 	platform: 'browser',
 	target: ['es2020'],
+	watch: isWatch,
 	incremental: isWatch,
 }).catch(() => process.exit(1));
diff --git a/extensions/markdown-math/esbuild.js b/extensions/markdown-math/esbuild.js
index ab5ee7b75c3..dd94d2e1eed 100644
--- a/extensions/markdown-math/esbuild.js
+++ b/extensions/markdown-math/esbuild.js
@@ -30,6 +30,7 @@ esbuild.build({
 	outdir: outDir,
 	platform: 'browser',
 	target: ['es2020'],
+	watch: isWatch,
 	incremental: isWatch,
 }).catch(() => process.exit(1));
 
diff --git a/extensions/notebook-renderers/esbuild.js b/extensions/notebook-renderers/esbuild.js
index 5b54e668b3b..11a04a0a982 100644
--- a/extensions/notebook-renderers/esbuild.js
+++ b/extensions/notebook-renderers/esbuild.js
@@ -28,5 +28,6 @@ esbuild.build({
 	outdir: outDir,
 	platform: 'browser',
 	target: ['es2020'],
+	watch: isWatch,
 	incremental: isWatch,
 }).catch(() => process.exit(1));
diff --git a/extensions/simple-browser/esbuild-preview.js b/extensions/simple-browser/esbuild-preview.js
index cf278788b9b..d6447532501 100644
--- a/extensions/simple-browser/esbuild-preview.js
+++ b/extensions/simple-browser/esbuild-preview.js
@@ -37,5 +37,6 @@ esbuild.build({
 	outdir: outDir,
 	platform: 'browser',
 	target: ['es2020'],
+	watch: isWatch,
 	incremental: isWatch,
 }).catch(() => process.exit(1));