diff --git a/changelog.d/20261022_151229_derek_pin_3_x_certifi.rst b/changelog.d/20261022_151229_derek_pin_3_x_certifi.rst
deleted file mode 100644
index d0938610c..000000000
--- a/changelog.d/20261022_151229_derek_pin_3_x_certifi.rst
+++ /dev/null
@@ -1,5 +0,0 @@
-
-Security
---------
-
-- Pin certifi to an uncompromised version number. (:pr:`NUMBER`)
diff --git a/changelog.rst b/changelog.rst
index afbeb8038..8e01e0cd7 100644
--- a/changelog.rst
+++ b/changelog.rst
@@ -12,6 +12,16 @@ to a major new version of the SDK.
 
 .. scriv-insert-here
 
+.. _changelog-3.66.0:
+
+v3.66.0 (2026-10-22)
+====================
+
+Security
+--------
+
+- Pin certifi to an uncompromised version number. (:pr:`1441`)
+
 .. _changelog-3.65.0:
 
 v3.65.0 (2025-10-02)
diff --git a/src/globus_sdk/version.py b/src/globus_sdk/version.py
index 7469d9a49..7649f2fcf 100644
--- a/src/globus_sdk/version.py
+++ b/src/globus_sdk/version.py
@@ -1,3 +1,3 @@
 # single source of truth for package version,
 # see https://packaging.python.org/en/latest/single_source_version/
-__version__ = "3.65.0"
+__version__ = "3.66.0"