diff --git a/libe-book-0.1.3-icu-69.1.patch b/libe-book-0.1.3-icu-69.1.patch
new file mode 100644
index 0000000..17f6d8e
--- /dev/null
+++ b/libe-book-0.1.3-icu-69.1.patch
@@ -0,0 +1,20 @@
+Regressed by https://github.com/unicode-org/icu/commit/c3fe7e09d844
+
+EBOOKCharsetConverter.cpp:127:7: error: use of undeclared identifier 'TRUE'
+      TRUE, TRUE, &status)
+      ^
+EBOOKCharsetConverter.cpp:127:13: error: use of undeclared identifier 'TRUE'
+      TRUE, TRUE, &status)
+            ^
+
+--- src/lib/EBOOKCharsetConverter.cpp.orig	2018-01-01 11:16:28 UTC
++++ src/lib/EBOOKCharsetConverter.cpp
+@@ -124,7 +124,7 @@ bool EBOOKCharsetConverter::convertBytes(const char *c
+       m_converterToUTF8.get(), m_converterToUnicode.get(),
+       &outText, outText + out.size(), &inText, inText + length,
+       nullptr, nullptr, nullptr, nullptr,
+-      TRUE, TRUE, &status)
++      true, true, &status)
+     ;
+     if (status==U_BUFFER_OVERFLOW_ERROR)
+     {
diff --git a/libe-book.spec b/libe-book.spec
index a26fb13..d10fac4 100644
--- a/libe-book.spec
+++ b/libe-book.spec
@@ -1,7 +1,7 @@
 %define apiver %(echo %version | cut -d. -f1-2)
 Name:          libe-book
 Version:       0.1.3
-Release:       1mamba
+Release:       2mamba
 Summary:       Library for import of reflowable e-book formats
 Group:         System/Libraries
 Vendor:        openmamba
@@ -9,11 +9,13 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://sourceforge.net/projects/libebook/
 Source:        http://downloads.sourceforge.net/project/libebook/libe-book-%{version}/libe-book-%{version}.tar.xz
+Patch0:        libe-book-0.1.3-icu-69.1.patch
 License:       MPL 2.0
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libgcc
 BuildRequires: libicu-devel
+BuildRequires: liblangtag-devel
 BuildRequires: liblzma-devel
 BuildRequires: librevenge-devel
 BuildRequires: libstdc++6-devel
@@ -21,7 +23,7 @@ BuildRequires: libxml2-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libwpd-devel >= 0.10
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+BuildRequires: libicu-devel >= 69.1
 
 %description
 Library for import of reflowable e-book formats.
@@ -47,6 +49,7 @@ This package contains utility applications for %{name}.
 
 %prep
 %setup -q
+%patch0 -p0
 
 %build
 %configure \
@@ -88,6 +91,9 @@ This package contains utility applications for %{name}.
 %{_bindir}/ebook2text
 
 %changelog
+* Sun Jun 13 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.3-2mamba
+- rebuilt with recent icu with patch
+
 * Sun Jan 07 2018 Automatic Build System <autodist@mambasoft.it> 0.1.3-1mamba
 - automatic version update by autodist