diff --git a/README.md b/README.md
index 89b367e..257ae2c 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,7 @@ All contributions are welcome! Please create [an issue](https://github.com/xwp/s
 #### 1.3 - February 24th, 2023
 
 - Added INP metric.
+- Support for smaller web vitals ratio.
 
 #### 1.2 - December 5, 2022
 
diff --git a/php/src/class-webvitalstrackingratiofield.php b/php/src/class-webvitalstrackingratiofield.php
index 5a64481..446bedb 100644
--- a/php/src/class-webvitalstrackingratiofield.php
+++ b/php/src/class-webvitalstrackingratiofield.php
@@ -56,7 +56,7 @@ public function render() {
 			$display_theme_override_warning                    = true;
 		}
 		?>
-		<input type='number' name='spt_settings[<?php echo esc_attr( self::OPTION_WEB_VITALS_TRACKING_RATIO ); ?>]' step='0.01' min='0.01' max='1'
+		<input type='number' name='spt_settings[<?php echo esc_attr( self::OPTION_WEB_VITALS_TRACKING_RATIO ); ?>]' step='0.001' min='0.001' max='1'
 			   value='<?php echo esc_attr( $options[ self::OPTION_WEB_VITALS_TRACKING_RATIO ] ); ?>'
 			   placeholder="<?php _e( 'Enter between 0 > 1', 'site-performance-tracker' ); ?>" aria-label="<?php _e( 'web vitals tracking ratio', 'site-performance-tracker' ); ?>"
 				<?php if ( $display_theme_override_warning ) { ?>
diff --git a/tests/phpunit/class-test-settings.php b/tests/phpunit/class-test-settings.php
index 9e1acac..aadf5c0 100644
--- a/tests/phpunit/class-test-settings.php
+++ b/tests/phpunit/class-test-settings.php
@@ -700,7 +700,7 @@ public function test_web_vitals_tracking_ratio_render__empty_options() {
 		ob_end_clean();
 
 		$expected_html = <<<EOD
-			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.01' min='0.01' max='1'
+			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.001' min='0.001' max='1'
 				value='1'
 				placeholder="Enter between 0 > 1" aria-label="web vitals tracking ratio"
 			>
@@ -720,7 +720,7 @@ public function test_web_vitals_tracking_ratio_render__set_web_vitals_tracking_r
 		ob_end_clean();
 
 		$expected_html = <<<EOD
-			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.01' min='0.01' max='1'
+			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.001' min='0.001' max='1'
 				value='0.05'
 				placeholder="Enter between 0 > 1" aria-label="web vitals tracking ratio"
 			>
@@ -741,7 +741,7 @@ public function test_web_vitals_tracking_ratio_render__theme_web_vitals_tracking
 		ob_end_clean();
 
 		$expected_html = <<<EOD
-			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.01' min='0.01' max='1'
+			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.001' min='0.001' max='1'
 				value='0.33'
 				placeholder="Enter between 0 > 1" aria-label="web vitals tracking ratio"
 				readonly
@@ -768,7 +768,7 @@ function () {
 		ob_end_clean();
 
 		$expected_html = <<<EOD
-			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.01' min='0.01' max='1'
+			<input type='number' name='spt_settings[web_vitals_tracking_ratio]' step='0.001' min='0.001' max='1'
 				value='0.77'
 				placeholder="Enter between 0 > 1" aria-label="web vitals tracking ratio"
 				readonly