diff --git a/OpenCC-ver.1.0.5.tar.gz b/OpenCC-ver.1.0.5.tar.gz
deleted file mode 100644
index 0d54bde..0000000
Binary files a/OpenCC-ver.1.0.5.tar.gz and /dev/null differ
diff --git a/OpenCC-ver.1.1.3.tar.gz b/OpenCC-ver.1.1.3.tar.gz
new file mode 100644
index 0000000..ef999b2
Binary files /dev/null and b/OpenCC-ver.1.1.3.tar.gz differ
diff --git a/opencc-check-bounds.patch b/opencc-check-bounds.patch
deleted file mode 100644
index 9ed7c20..0000000
--- a/opencc-check-bounds.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-Index: OpenCC-ver.1.0.5/src/BinaryDict.cpp
-===================================================================
---- OpenCC-ver.1.0.5.orig/src/BinaryDict.cpp
-+++ OpenCC-ver.1.0.5/src/BinaryDict.cpp
-@@ -63,6 +63,12 @@ void BinaryDict::SerializeToFile(FILE* f
- }
- 
- BinaryDictPtr BinaryDict::NewFromFile(FILE* fp) {
-+  size_t offsetBound, savedOffset;
-+  savedOffset = ftell(fp);
-+  fseek(fp, 0L, SEEK_END);
-+  offsetBound = ftell(fp) - savedOffset;
-+  fseek(fp, savedOffset, SEEK_SET);
-+
-   BinaryDictPtr dict(new BinaryDict(LexiconPtr(new Lexicon)));
- 
-   // Number of items
-@@ -109,7 +115,7 @@ BinaryDictPtr BinaryDict::NewFromFile(FI
-     // Key offset
-     size_t keyOffset;
-     unitsRead = fread(&keyOffset, sizeof(size_t), 1, fp);
--    if (unitsRead != 1) {
-+    if (unitsRead != 1 || keyOffset >= offsetBound) {
-       throw InvalidFormat("Invalid OpenCC binary dictionary (keyOffset)");
-     }
-     const char* key = dict->keyBuffer.c_str() + keyOffset;
-@@ -118,7 +124,7 @@ BinaryDictPtr BinaryDict::NewFromFile(FI
-     for (size_t j = 0; j < numValues; j++) {
-       size_t valueOffset;
-       unitsRead = fread(&valueOffset, sizeof(size_t), 1, fp);
--      if (unitsRead != 1) {
-+      if (unitsRead != 1 || valueOffset >= offsetBound) {
-         throw InvalidFormat("Invalid OpenCC binary dictionary (valueOffset)");
-       }
-       const char* value = dict->valueBuffer.c_str() + valueOffset;
diff --git a/opencc-fixes-cmake.patch b/opencc-fixes-cmake.patch
deleted file mode 100644
index c70ce95..0000000
--- a/opencc-fixes-cmake.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-Index: OpenCC-ver.1.0.5/CMakeLists.txt
-===================================================================
---- OpenCC-ver.1.0.5.orig/CMakeLists.txt
-+++ OpenCC-ver.1.0.5/CMakeLists.txt
-@@ -68,7 +68,7 @@ set (DIR_PREFIX ${CMAKE_INSTALL_PREFIX})
- set (DIR_INCLUDE ${DIR_PREFIX}/include/)
- set (DIR_SHARE ${DIR_PREFIX}/share/)
- set (DIR_ETC ${DIR_PREFIX}/etc/)
--set (DIR_LIBRARY ${DIR_PREFIX}/lib${LIB_SUFFIX}/)
-+set (DIR_LIBRARY ${LIB_INSTALL_DIR})
- 
- if (DEFINED SHARE_INSTALL_PREFIX)
-   set (DIR_SHARE ${SHARE_INSTALL_PREFIX})
-Index: OpenCC-ver.1.0.5/data/CMakeLists.txt
-===================================================================
---- OpenCC-ver.1.0.5.orig/data/CMakeLists.txt
-+++ OpenCC-ver.1.0.5/data/CMakeLists.txt
-@@ -1,6 +1,6 @@
- set(OPENCC_DICT_BIN opencc_dict)
--set(DICT_MERGE_BIN python ${CMAKE_CURRENT_SOURCE_DIR}/scripts/merge.py)
--set(DICT_REVERSE_BIN python ${CMAKE_CURRENT_SOURCE_DIR}/scripts/reverse.py)
-+set(DICT_MERGE_BIN python3 ${CMAKE_CURRENT_SOURCE_DIR}/scripts/merge.py)
-+set(DICT_REVERSE_BIN python3 ${CMAKE_CURRENT_SOURCE_DIR}/scripts/reverse.py)
- set(DICT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/dictionary)
- set(DICT_GENERATED_DIR ${CMAKE_CURRENT_BINARY_DIR})
- 
diff --git a/opencc-stop-copy.patch b/opencc-stop-copy.patch
deleted file mode 100644
index 73ba065..0000000
--- a/opencc-stop-copy.patch
+++ /dev/null
@@ -1,23 +0,0 @@
-From 6a1e149b643d07b465b348e23a696f8df800cdc4 Mon Sep 17 00:00:00 2001
-Subject: [PATCH] opencc stop copy
-
----
- data/CMakeLists.txt | 2 --
- 1 file changed, 2 deletions(-)
-
-diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
-index 3989bad..c9b20c1 100644
---- a/data/CMakeLists.txt
-+++ b/data/CMakeLists.txt
-@@ -109,8 +109,6 @@ foreach(DICT ${DICTS})
-       ${DICT}.ocd
-     COMMENT
-       "Building ${DICT}.ocd"
--    COMMAND
--      ${CMAKE_COMMAND} -E copy "$<TARGET_FILE:libopencc>" "$<TARGET_FILE_DIR:${OPENCC_DICT_BIN}>"
-     COMMAND
-       ${OPENCC_DICT_BIN}
-         --input ${DICT_${DICT}_INPUT}
--- 
-2.23.0
-
diff --git a/opencc.spec b/opencc.spec
index b25f3ab..9028503 100644
--- a/opencc.spec
+++ b/opencc.spec
@@ -1,13 +1,10 @@
 Name:           opencc
-Version:        1.0.5
-Release:        5
+Version:        1.1.3
+Release:        1
 Summary:        Simplified Chinese Traditional Conversion Library
 License:        ASL 2.0
 URL:            https://github.com/BYVoid/OpenCC
 Source0:        https://github.com/BYVoid/OpenCC/archive/ver.%{version}.tar.gz#/OpenCC-ver.%{version}.tar.gz
-Patch0001:      opencc-fixes-cmake.patch
-Patch0002:      opencc-check-bounds.patch
-Patch0003:      opencc-stop-copy.patch
 
 Provides:       %{name}-tools = %{version}-%{release}
 Obsoletes:      %{name}-tools < %{version}-%{release}
@@ -68,6 +65,9 @@ ctest
 %{_datadir}/opencc/doc
 
 %changelog
+* Fri Dec 31 2021 houyingchao <houyingchao@huawei.com> - 1.1.3-1
+- Upgrade to 1.1.3 version
+
 * Mon Jun 29 2020 huanghaitao <huanghaitao8@huawei.com> - 1.0.5-5
 - Fix build error