chore: release 1.26.0 (#689)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88bb81b..21298a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-auth/#history
 
+## [1.26.0](https://www.github.com/googleapis/google-auth-library-python/compare/v1.25.0...v1.26.0) (2021-02-09)
+
+
+### Features
+
+* workload identity federation support ([#686](https://www.github.com/googleapis/google-auth-library-python/issues/686)) ([5dcd2b1](https://www.github.com/googleapis/google-auth-library-python/commit/5dcd2b1bdd9d21522636d959cffc49ee29dda88f))
+
 ## [1.25.0](https://www.github.com/googleapis/google-auth-library-python/compare/v1.24.0...v1.25.0) (2021-02-03)
 
 
diff --git a/setup.py b/setup.py
index ba72c3c..2f16e44 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
 with io.open("README.rst", "r") as fh:
     long_description = fh.read()
 
-version = "1.25.0"
+version = "1.26.0"
 
 setup(
     name="google-auth",