diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 000000000..e69de29bb
diff --git a/.isort.cfg b/.isort.cfg
index bd8942df2..7a50801f4 100644
--- a/.isort.cfg
+++ b/.isort.cfg
@@ -4,4 +4,4 @@ indent='    '
 multi_line_output=3
 length_sort=0
 include_trailing_comma=True
-known_third_party = dataclasses,pytest,setuptools
+known_third_party = pytest,setuptools
diff --git a/CHANGELOG b/CHANGELOG
index e3e3890f8..afeaa8573 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,11 @@
+Version 1.28.5, 2022-07-21
+--------------------------
+
+Bug Fixes (BUG):
+-  BUG: Add missing deprecated EncodedStreamObject functions (#1140)
+
+Full Changelog: https://github.com/py-pdf/PyPDF2/compare/1.28.4...1.28.5
+
 Version 1.28.4, 2022-05-29
 --------------------------
 
diff --git a/PyPDF2/_version.py b/PyPDF2/_version.py
index b0e20da69..c4769d354 100644
--- a/PyPDF2/_version.py
+++ b/PyPDF2/_version.py
@@ -1 +1 @@
-__version__ = "1.28.4"
+__version__ = "1.28.5"