diff --git a/README.md b/README.md
index beaabdc1b..727ae516f 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,10 @@ For advanced users, a hidden option `--logConfig <filename.ini>` can be used to
 
 # Release History
 
+## Not released yet
+
+* Add `--environment` internal parameter for `authorize-account`
+
 ## 2.0.0 (2020-06-25)
 
 Changes:
diff --git a/requirements.txt b/requirements.txt
index b1235a406..1006adbe5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 arrow>=0.8.0,<0.13.1; python_version <= '3.4'
 arrow>=0.8.0; python_version > '3.4'
-b2sdk>=1.1.0,<1.2.0
+b2sdk>=1.1.3,<1.2.0
 class-registry==2.1.2
 six>=1.13