diff --git a/Changelog.md b/Changelog.md
index 1ed0471..4933128 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,11 @@
 
 Changelog [format](http://keepachangelog.com/en/1.0.0/)
 
+## [Bridge 1.5.7] Golden Gate
+
+### Fixed
+CSB-331 Fix sending error due to mixed case in sender address.
+
 ## [Bridge 1.5.6] Golden Gate
 
 ### Added
diff --git a/Makefile b/Makefile
index 1f2bc37..7476c33 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ TARGET_OS?=${GOOS}
 .PHONY: build build-ie build-nogui build-ie-nogui check-has-go
 
 # Keep version hardcoded so app build works also without Git repository.
-BRIDGE_APP_VERSION?=1.5.6-git
+BRIDGE_APP_VERSION?=1.5.7-git
 IE_APP_VERSION?=1.2.3-git
 APP_VERSION:=${BRIDGE_APP_VERSION}
 SRC_ICO:=logo.ico
diff --git a/internal/bridge/release_notes.go b/internal/bridge/release_notes.go
index fcca40d..6cdc5b9 100644
--- a/internal/bridge/release_notes.go
+++ b/internal/bridge/release_notes.go
@@ -15,18 +15,12 @@
 // You should have received a copy of the GNU General Public License
 // along with ProtonMail Bridge.  If not, see <https://www.gnu.org/licenses/>.
 
-// Code generated by ./release-notes.sh at 'Thu Jan 14 04:51:03 PM CET 2021'. DO NOT EDIT.
+// Code generated by ./release-notes.sh at 'Fri Jan 22 11:01:06 AM CET 2021'. DO NOT EDIT.
 
 package bridge
 
-const ReleaseNotes = `• Improvements to message parsing
-• Better error handling
+const ReleaseNotes = `
 `
 
-const ReleaseFixedBugs = `• Message corruption - rare cases of overly long headers
-• AppleMail crashes (related to timestamps)
-• Sending messages from aliases in combined inbox mode
-• Fedora font issues
-
-For more detailed summary of the changes see https://github.com/ProtonMail/proton-bridge/blob/master/Changelog.md
+const ReleaseFixedBugs = `• Fixed sending error caused by inconsistent use of upper and lower case in sender’s email address
 `
diff --git a/release-notes/bugs-bridge.txt b/release-notes/bugs-bridge.txt
index 157d05a..49fe49a 100644
--- a/release-notes/bugs-bridge.txt
+++ b/release-notes/bugs-bridge.txt
@@ -1,8 +1 @@
-• Message corruption - rare cases of overly long headers
-• AppleMail crashes (related to timestamps)
-• Sending messages from aliases in combined inbox mode
-• Fedora font issues
-
-For more detailed summary of the changes see https://github.com/ProtonMail/proton-bridge/blob/master/Changelog.md
-
-
+• Fixed sending error caused by inconsistent use of upper and lower case in sender’s email address
diff --git a/release-notes/notes-bridge.txt b/release-notes/notes-bridge.txt
index c05f209..e69de29 100644
--- a/release-notes/notes-bridge.txt
+++ b/release-notes/notes-bridge.txt
@@ -1,2 +0,0 @@
-• Improvements to message parsing
-• Better error handling
diff --git a/unreleased.md b/unreleased.md
index 0d2cf88..a5f2c39 100644
--- a/unreleased.md
+++ b/unreleased.md
@@ -11,4 +11,3 @@ Changelog [format](http://keepachangelog.com/en/1.0.0/)
 ### Changed
 
 ### Fixed
-CSB-331 Fix sending error due to mixed case in sender address.