diff --git a/C/7zVersion.h b/C/7zVersion.h
index abf13a29..33c72a8c 100644
--- a/C/7zVersion.h
+++ b/C/7zVersion.h
@@ -1,7 +1,7 @@
 #define MY_VER_MAJOR 19
 #define MY_VER_MINOR 00
 #define MY_VER_BUILD 0
-#define MY_VERSION_NUMBERS "19.00 ZS v1.4.5 R3"
+#define MY_VERSION_NUMBERS "19.00 ZS v1.4.5 R4"
 #define MY_VERSION MY_VERSION_NUMBERS
 
 #ifdef MY_CPU_NAME
@@ -10,7 +10,7 @@
   #define MY_VERSION_CPU MY_VERSION
 #endif
 
-#define MY_DATE "2020-10-03"
+#define MY_DATE "2020-12-06"
 #undef MY_COPYRIGHT
 #undef MY_VERSION_COPYRIGHT_DATE
 #define MY_AUTHOR_NAME "Igor Pavlov, Tino Reichardt"
diff --git a/README.md b/README.md
index b7abf1e4..a97d73c7 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ You can install it in two ways:
 
 The output should look like this:
 ```
-7-Zip 19.00 ZS v1.4.5 R2 (x64) : Copyright (c) 1999-2019 Igor Pavlov, 2016-2020 Tino Reichardt : 2020-06-03
+7-Zip 19.00 ZS v1.4.5 R4 (x64) : Copyright (c) 1999-2019 Igor Pavlov, 2016-2020 Tino Reichardt : 2020-12-06
 
 Libs:
  0  c:\Program Files\7-Zip-Zstandard\7z.dll
@@ -284,7 +284,7 @@ You find this project useful, maybe you consider a donation ;-)
   - [LZ5] Version 1.5
   - [Zstandard] Version 1.4.5
 
-/TR 2020-10-16
+/TR 2020-12-06
 
 ## Notes