diff --git a/packages/esp32-c3-core_ct_clamp.yaml b/packages/esp32-c3-core_ct_clamp.yaml
index 6a84286..d0a48e3 100644
--- a/packages/esp32-c3-core_ct_clamp.yaml
+++ b/packages/esp32-c3-core_ct_clamp.yaml
@@ -14,11 +14,11 @@ sensor:
   - platform: adc
     pin: GPIO4
     id: adc_sensor
-    attenuation: 11db
+    attenuation: 12db
 
   - platform: adc
     pin: GPIO0
     id: adc_ref
     name: "${node_verbose_name} ADC Ref"
     update_interval: 10s
-    attenuation: 11db
+    attenuation: 12db