diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2a72a5ce310..a3734e533483 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `svh`, `lvh`, and `dvh` values to default `height`/`min-height`/`max-height` theme ([#11317](https://github.com/tailwindlabs/tailwindcss/pull/11317))
 - Add `has-*` variants for `:has(...)` pseudo-class ([#11318](https://github.com/tailwindlabs/tailwindcss/pull/11318))
 - Add `text-wrap` utilities including `text-balance` and `text-pretty` ([#11320](https://github.com/tailwindlabs/tailwindcss/pull/11320), [#12031](https://github.com/tailwindlabs/tailwindcss/pull/12031))
+- Extend default `opacity` scale to include all steps of 5 ([#11832](https://github.com/tailwindlabs/tailwindcss/pull/11832))
 
 
 ## [3.3.6] - 2023-12-04
diff --git a/stubs/config.full.js b/stubs/config.full.js
index ed0b5a9860f0..11d1d0bd7a66 100644
--- a/stubs/config.full.js
+++ b/stubs/config.full.js
@@ -685,15 +685,21 @@ module.exports = {
       0: '0',
       5: '0.05',
       10: '0.1',
+      15: '0.15',
       20: '0.2',
       25: '0.25',
       30: '0.3',
+      35: '0.35',
       40: '0.4',
+      45: '0.45',
       50: '0.5',
+      55: '0.55',
       60: '0.6',
+      65: '0.65',
       70: '0.7',
       75: '0.75',
       80: '0.8',
+      85: '0.85',
       90: '0.9',
       95: '0.95',
       100: '1',
diff --git a/tests/getClassList.test.js b/tests/getClassList.test.js
index 671a767ecfe5..65ca7a074b26 100644
--- a/tests/getClassList.test.js
+++ b/tests/getClassList.test.js
@@ -97,15 +97,21 @@ crosscheck(() => {
           '0',
           '5',
           '10',
+          '15',
           '20',
           '25',
           '30',
+          '35',
           '40',
+          '45',
           '50',
+          '55',
           '60',
+          '65',
           '70',
           '75',
           '80',
+          '85',
           '90',
           '95',
           '100',