diff --git a/PowerEditor/bin/change.log b/PowerEditor/bin/change.log
index 836eb76e0..79b87aa3e 100644
--- a/PowerEditor/bin/change.log
+++ b/PowerEditor/bin/change.log
@@ -1,25 +1,28 @@
-Notepad++ v8.5.4 bug-fixes and new features:
+Notepad++ v8.5.5 bug-fixes and new features:
 
- 1. Fix macro recording regression on Unicode character.
- 2. Fix regression of defective detection for file read-only attribute removal via Explorer.
- 3. Fix opening multi-files on multi-instance mode regression.
- 4. Update: Scintilla 5.3.5 Lexilla 5.2.5
- 5. Fix Notepad++ hanging issue running macro to EOF.
- 6. Fix EOL symbol color/appearence being reset issue while changing encoding.
- 7. Enable code folding in Assembly source files.
- 8. Fix document language not remembered through sessions issue.
- 9. Add SHA-1 hash features.
-10. Add "open new blank document in addition on startup" ability.
-11. Fix lexer plugin is sorted unconventionally in language menu issue.
-12. Add message NPPM_DARKMODESUBCLASSANDTHEME to allow plugin to use generic dark mode.
-13. Add the ability to close multiple files without saving in Document list.
-14. Several GUI Enhancements.
-15. Fix tabContextMenu_example.xml not being deleted while uninstallation.
-16. Fix error message on uninstallation.
+ 1. Update to Scintilla 5.3.6 and Lexilla 5.2.6.
+ 2. Add change history navigation commands: Go to next/prev change & Clear change history.
+ 3. Fix Change History incorrect display after "Reload from Disk" command.
+ 4. Remember through sessions the directory of "Remember last used directory".
+ 5. Fix regression of double clicking on find result not going to the document.
+ 6. Fix regression of opening file rejection if file name contains dot at the end.
+ 7. Fix error message of opening file with '=' as end of file name.	
+ 8. Fix menu Tools contains 2 SHA-256 item while using localization.
+ 9. Fix SHA-1 hash result wrong length bug while "Treat each line as a separate string" enabled.	
+10. Add SHA-512 hash features.
+11. Fix normal.xml for Normal text auto-completion not working issue.
+12. Fix Korean IME append file extension issue in save dialog.    
+13. Make find/replace in files result more inaccurate while used RegExpr is invalid.
+14. Fix Project panel's inaccurate initialized path in save dialog.
+15. Fix wrong syntax highlighting of URLs with quotes in JSON.
+16. Fix Clipboard History panel shows corrupted data issue.
+17. Improve lines sorting memory consumption.
+18. Enhance "Add new document at startup": add new document only when the session is remembered.
+19. Enhance "Convert case to Proper Case" command: fix the error conversion after quote.
 
 
 Get more info on
-https://notepad-plus-plus.org/downloads/v8.5.4/
+https://notepad-plus-plus.org/downloads/v8.5.5/
 
 
 Included plugins:
diff --git a/PowerEditor/src/resource.h b/PowerEditor/src/resource.h
index b3cf5a6ff..318c0588d 100644
--- a/PowerEditor/src/resource.h
+++ b/PowerEditor/src/resource.h
@@ -19,12 +19,12 @@
 //
 // Notepad++ version: begin
 //
-#define NOTEPAD_PLUS_VERSION TEXT("Notepad++ v8.5.4")
+#define NOTEPAD_PLUS_VERSION TEXT("Notepad++ v8.5.5")
 
 // should be X.Y : ie. if VERSION_DIGITALVALUE == 4, 7, 1, 0 , then X = 4, Y = 71
 // ex : #define VERSION_VALUE TEXT("5.63\0")
-#define VERSION_VALUE TEXT("8.54\0")
-#define VERSION_DIGITALVALUE 8, 5, 4, 0
+#define VERSION_VALUE TEXT("8.55\0")
+#define VERSION_DIGITALVALUE 8, 5, 5, 0
 
 // Notepad++ version: end