diff --git a/Tools/7zip/7za.dll b/Tools/7zip/7za.dll
index f63e760c5..e95542c39 100644
Binary files a/Tools/7zip/7za.dll and b/Tools/7zip/7za.dll differ
diff --git a/Tools/7zip/7za.exe b/Tools/7zip/7za.exe
index 3bc851d5f..d516eb5c1 100644
Binary files a/Tools/7zip/7za.exe and b/Tools/7zip/7za.exe differ
diff --git a/Tools/7zip/7zxa.dll b/Tools/7zip/7zxa.dll
index e5591acb0..1e3778ae3 100644
Binary files a/Tools/7zip/7zxa.dll and b/Tools/7zip/7zxa.dll differ
diff --git a/Tools/7zip/License.txt b/Tools/7zip/License.txt
index 7b8e9a04c..2a0f37730 100644
--- a/Tools/7zip/License.txt
+++ b/Tools/7zip/License.txt
@@ -3,7 +3,7 @@
       License for use and distribution
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-      Copyright (C) 1999-2016 Igor Pavlov.
+      Copyright (C) 1999-2018 Igor Pavlov.
 
       7-Zip Extra files are under the GNU LGPL license.
 
diff --git a/Tools/7zip/history.txt b/Tools/7zip/history.txt
index fe8fb9d8e..e9bac39da 100644
--- a/Tools/7zip/history.txt
+++ b/Tools/7zip/history.txt
@@ -1,6 +1,25 @@
 7-Zip Extra history
 -------------------
 
+This file contains only information about changes related to that package exclusively.
+The full history of changes is listed in history.txt in main 7-Zip program.
+
+
+18.05          2018-04-30
+-------------------------
+- The speed for LZMA/LZMA2 compressing was increased 
+    by 8% for fastest/fast compression levels and 
+    by 3% for normal/maximum compression levels.
+
+
+18.03 beta     2018-03-04
+-------------------------
+- The speed for single-thread LZMA/LZMA2 decoding
+  was increased  by 30% in x64 version and by 3% in x86 version.
+- 7-Zip now can use multi-threading for 7z/LZMA2 decoding,
+  if there are multiple independent data chunks in LZMA2 stream.
+
+
 9.35 beta           2014-12-07
 ------------------------------
   - SFX modules were moved to LZMA SDK package.
diff --git a/Tools/7zip/readme.txt b/Tools/7zip/readme.txt
index 8f9bd7b73..c3de12587 100644
--- a/Tools/7zip/readme.txt
+++ b/Tools/7zip/readme.txt
@@ -1,9 +1,9 @@
-7-Zip Extra 16.02
+7-Zip Extra 18.05
 -----------------
 
 7-Zip Extra is package of extra modules of 7-Zip. 
 
-7-Zip Copyright (C) 1999-2016 Igor Pavlov.
+7-Zip Copyright (C) 1999-2018 Igor Pavlov.
 
 7-Zip is free software. Read License.txt for more information about license.