diff --git a/pyscf/lib/CMakeLists.txt b/pyscf/lib/CMakeLists.txt
index 7e3baf3403..1dc076da21 100644
--- a/pyscf/lib/CMakeLists.txt
+++ b/pyscf/lib/CMakeLists.txt
@@ -160,8 +160,10 @@ option(USE_QCINT "Using the qcint library (optimized for x86-64) for gaussian in
 
 if(BUILD_LIBCINT)
   set(LIBCINT_GIT https://github.com/sunqm/libcint.git) # libcint is a portable, cross-platform implementation
+  set(LIBCINT_VERSION v6.1.1)
   if (USE_QCINT)
     set(LIBCINT_GIT https://github.com/sunqm/qcint.git) # qcint is an optimized implementation for x86-64 architecture
+    set(LIBCINT_VERSION v6.1.2)
     if(NOT BUILD_MARCH_NATIVE)
       message(WARNING "The BUILD_MARCH_NATIVE option is not specified! qcint may not compile unless you explicitly pass compiler flags that turn on vectorization!")    
     endif()
@@ -169,7 +171,7 @@ if(BUILD_LIBCINT)
 
   ExternalProject_Add(libcint
     GIT_REPOSITORY ${LIBCINT_GIT}
-    GIT_TAG v6.1.1
+    GIT_TAG ${LIBCINT_VERSION}
     PREFIX ${PROJECT_BINARY_DIR}/deps
     INSTALL_DIR ${PROJECT_SOURCE_DIR}/deps
     CMAKE_ARGS -DCMAKE_BUILD_TYPE=RELEASE