diff --git a/xorriso/changelog.txt b/xorriso/changelog.txt
index 55659bc9..d2c4e794 100644
--- a/xorriso/changelog.txt
+++ b/xorriso/changelog.txt
@@ -19797,7 +19797,7 @@ xorriso-dd-target/xorriso-dd-target.1
 xorriso-dd-target/xorriso-dd-target.info
 Version leap to libisoburn-1.5.5
 
-30 Jan 2021  []
+30 Jan 2021  [d16ab5b]
 ChangeLog
 xorriso/changelog.txt
 Updated change log and web page
@@ -19805,6 +19805,19 @@ Updated change log and web page
 ------------------------------------ cycle  - xorriso-1.5.3 - 2021.01.30.200107
 
 
+  []
+xorriso/xorriso_eng.html
+xorriso/changelog.txt
+Updated change log and web page
+
+------------------------------------ cycle  - xorriso-1.5.3 - 2021.02.01.174513
+* Bug fix in libisofs:
+  Large amounts of AAIP data or many long file names could cause with
+  zisofs an unreadable filesystem after the warning "Calculated and
+  written ECMA-119 tree end differ"
+
+
+
   []
 ChangeLog
 xorriso/xorriso_eng.html
diff --git a/xorriso/xorriso_eng.html b/xorriso/xorriso_eng.html
index 9e092643..5d957a24 100644
--- a/xorriso/xorriso_eng.html
+++ b/xorriso/xorriso_eng.html
@@ -701,7 +701,10 @@ cdrecord and mkisofs.</DT>
 <DT><H3>Development snapshot, version 1.5.5 :</H3></DT>
 <DD>Bug fixes towards xorriso-1.5.4:
 <UL>
-<LI>- none yet -</LI>
+<LI>Large amounts of AAIP data or many long file names could cause with
+  zisofs an unreadable filesystem after the warning "Calculated and
+  written ECMA-119 tree end differ"
+</LI>
 <!-- 
 <LI>- none yet -</LI>
  -->
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 93a2062c..375344f7 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2021.01.30.200107"
+#define Xorriso_timestamP "2021.02.01.174513"