diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b5d647e..43545cbe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Version History
 
+## Release v2.6.6
+* Add anaconda3-2025.06-0, anaconda3-2025.06-1, miniconda3-25.3.1-1, miniconda3-25.5.1-0, miniconda3-25.5.1-1 by @native-api in https://github.com/pyenv/pyenv/pull/3295
+* Add CPython 3.13.6 by @cesarcoatl in https://github.com/pyenv/pyenv/pull/3297
+
 ## Release v2.6.5
 * Bump OpenSSL to 3.5.1 in the latest releases and branch tips in CPython 3.12 - 3.15 by @edgarrmondragon in https://github.com/pyenv/pyenv/pull/3287
 * Add Jython 2.7.4 by @cesarcoatl in https://github.com/pyenv/pyenv/pull/3290
diff --git a/libexec/pyenv---version b/libexec/pyenv---version
index ffa0d9aa..d473793d 100755
--- a/libexec/pyenv---version
+++ b/libexec/pyenv---version
@@ -12,7 +12,7 @@
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
-version="2.6.5"
+version="2.6.6"
 git_revision=""
 
 if cd "${BASH_SOURCE%/*}" 2>/dev/null && git remote -v 2>/dev/null | grep -q pyenv; then
diff --git a/plugins/python-build/bin/python-build b/plugins/python-build/bin/python-build
index eacf5658..69b617e3 100755
--- a/plugins/python-build/bin/python-build
+++ b/plugins/python-build/bin/python-build
@@ -14,7 +14,7 @@
 #   -g/--debug       Build a debug version
 #
 
-PYTHON_BUILD_VERSION="2.6.5"
+PYTHON_BUILD_VERSION="2.6.6"
 
 OLDIFS="$IFS"