diff --git a/changelog.d/+update_b2sdk.changed.md b/changelog.d/+update_b2sdk.changed.md
new file mode 100644
index 000000000..b59795989
--- /dev/null
+++ b/changelog.d/+update_b2sdk.changed.md
@@ -0,0 +1 @@
+Update b2sdk to 1.28.0 (resolves #958 , #934 ).
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 5ed0523e8..52c93b390 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 argcomplete>=2,<4
 arrow>=1.0.2,<2.0.0
-b2sdk>=1.27.0,<2
+b2sdk>=1.28.0,<2
 docutils>=0.18.1
 idna~=3.4; platform_system == 'Java'
 importlib-metadata~=3.3; python_version < '3.8'