diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c4f521..56cd231 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.5)
 project (qcint C)
 set(qcint_VERSION_MAJOR "5")
 set(qcint_VERSION_MINOR "1")
-set(qcint_VERSION_PATCH "7")
+set(qcint_VERSION_PATCH "8")
 set(qcint_VERSION_TWEAK "0")
 set(qcint_VERSION "${qcint_VERSION_MAJOR}.${qcint_VERSION_MINOR}.${qcint_VERSION_PATCH}")
 set(qcint_SOVERSION "${qcint_VERSION_MAJOR}")
diff --git a/ChangeLog b/ChangeLog
index a8fa4b2..4e628bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
-Version 5.1.7  (2023-01-03):
+Version 5.1.8  (2023-01-03):
 	* Fix integer overflow error in cintopt initialization
+
+Version 5.1.7  (2022-12-06):
 	* Boundary check when initializing CINTOpt
 
 Version 5.1.5  (2022-08-24):
diff --git a/README.md b/README.md
index eaffe54..15a7320 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ qcint (quick libcint)
 
 An optimized libcint branch for X86 platform
 
-version 5.1.7
+version 5.1.8
 2022-01-03