diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbf0a7937..391fa2a46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## [Unreleased]
 
+- The Python 3.12 version alias now resolves to Python 3.12.13. ([#2046](https://github.com/heroku/heroku-buildpack-python/pull/2046))
+- The Python 3.11 version alias now resolves to Python 3.11.15. ([#2046](https://github.com/heroku/heroku-buildpack-python/pull/2046))
+- The Python 3.10 version alias now resolves to Python 3.10.20. ([#2046](https://github.com/heroku/heroku-buildpack-python/pull/2046))
 
 ## [v337] - 2026-03-03
 
diff --git a/lib/python_version.sh b/lib/python_version.sh
index d3e97631b..a12943e8f 100644
--- a/lib/python_version.sh
+++ b/lib/python_version.sh
@@ -4,9 +4,9 @@
 # however, it helps Shellcheck realise the options under which these functions will run.
 set -euo pipefail
 
-LATEST_PYTHON_3_10="3.10.19"
-LATEST_PYTHON_3_11="3.11.14"
-LATEST_PYTHON_3_12="3.12.12"
+LATEST_PYTHON_3_10="3.10.20"
+LATEST_PYTHON_3_11="3.11.15"
+LATEST_PYTHON_3_12="3.12.13"
 LATEST_PYTHON_3_13="3.13.12"
 LATEST_PYTHON_3_14="3.14.3"
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 5652c9ff3..1fed97721 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -10,9 +10,9 @@
 
 FIXTURE_DIR = Pathname.new(__FILE__).parent.join('fixtures')
 
-LATEST_PYTHON_3_10 = '3.10.19'
-LATEST_PYTHON_3_11 = '3.11.14'
-LATEST_PYTHON_3_12 = '3.12.12'
+LATEST_PYTHON_3_10 = '3.10.20'
+LATEST_PYTHON_3_11 = '3.11.15'
+LATEST_PYTHON_3_12 = '3.12.13'
 LATEST_PYTHON_3_13 = '3.13.12'
 LATEST_PYTHON_3_14 = '3.14.3'
 DEFAULT_PYTHON_FULL_VERSION = LATEST_PYTHON_3_14