diff --git a/CMakeLists.txt b/CMakeLists.txt
index a159ea8..ab055f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,7 +44,7 @@ if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     add_definitions(-DUSE_PREBUILT_LLVM)
 
     if(NOT PREFERRED_LLVM_VERSION)
-        set(PREFERRED_LLVM_VERSION "18")
+        set(PREFERRED_LLVM_VERSION "18.1")
     endif(NOT PREFERRED_LLVM_VERSION)
     message(STATUS "[OPENCL-CLANG] Looking for LLVM version ${PREFERRED_LLVM_VERSION}")
     find_package(LLVM ${PREFERRED_LLVM_VERSION} REQUIRED)
diff --git a/README.md b/README.md
index bb2a89d..03e3cfd 100644
--- a/README.md
+++ b/README.md
@@ -70,13 +70,13 @@ make all -j`nproc`
 
 ##### Preferred LLVM version
 
-By default, opencl-clang's cmake script is searching for LLVM 17. You can
+By default, opencl-clang's cmake script is searching for LLVM 18.1. You can
 override target version of LLVM by using the `PREFERRED_LLVM_VERSION` cmake
 option:
 
 Example:
 ```bash
-cmake -DPREFERRED_LLVM_VERSION="17" ../opencl-clang
+cmake -DPREFERRED_LLVM_VERSION="18.1" ../opencl-clang
 ```
 
 ##### Custom LLVM installation