diff --git a/clang/tools/libclang/CMakeLists.txt b/clang/tools/libclang/CMakeLists.txt
--- a/clang/tools/libclang/CMakeLists.txt
+++ b/clang/tools/libclang/CMakeLists.txt
@@ -48,6 +48,8 @@
   clangTooling
 )
 
+SET(CLANG_SONAME 13)
+
 if (CLANG_ENABLE_ARCMT)
   list(APPEND LIBS clangARCMigrate)
 endif ()
@@ -176,7 +178,7 @@
     # LLVM_VERSION_MAJOR.
     set_target_properties(libclang PROPERTIES
                           VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX}
-                          SOVERSION 13)
+                          SOVERSION ${CLANG_SONAME})
   endif()
 endif()