diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7125806..87f04a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.5)
 project (qcint C)
 set(qcint_VERSION_MAJOR "6")
 set(qcint_VERSION_MINOR "1")
-set(qcint_VERSION_PATCH "0")
+set(qcint_VERSION_PATCH "1")
 set(qcint_VERSION_TWEAK "0")
 set(qcint_VERSION "${qcint_VERSION_MAJOR}.${qcint_VERSION_MINOR}.${qcint_VERSION_PATCH}")
 set(cint_SOVERSION "${qcint_VERSION_MAJOR}")
diff --git a/ChangeLog b/ChangeLog
index f42ecee..5b932ea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+Version 6.1.1 (2024-01-24):
+	* Fix bugs introduced in 6.0.0 when handling general contracted basis in cint2e
+
 Version 6.1.0 (2023-11-10):
 	* New second order derivative integrals int1e_grids_ipip
 
diff --git a/README.md b/README.md
index e8aecb4..e733f9e 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@ qcint (quick libcint)
 
 An optimized libcint branch for X86 platform
 
-version 6.1.0
-2023-11-10
+version 6.1.1
+2024-01-24
 
 
 What is qcint