diff --git a/CMakeLists.txt b/CMakeLists.txt
index d342209..d9b4ccb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.1.0)
 
 project(fnd CXX)
 
-find_package(Boost 1.56 REQUIRED COMPONENTS filesystem)
+find_package(Boost 1.54 REQUIRED COMPONENTS system filesystem)
 include_directories( ${Boost_INCLUDE_DIR} )
 
 file(GLOB SOURCES "src/*.cpp")
@@ -11,4 +11,6 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic")
 
 add_executable(fnd ${SOURCES})
 
+target_compile_features(fnd PRIVATE cxx_range_for)
+
 target_link_libraries(fnd ${Boost_LIBRARIES})
diff --git a/README.md b/README.md
index c0db7ad..f7f489d 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,10 @@ LICENSE
 CMakeLists.txt
 ```
 
+## Dependencies
+* g++ `>=4.9`
+* boost `>=1.54`
+
 ## Build
 ```bash
 cmake .
diff --git a/src/fnd.cpp b/src/fnd.cpp
index 685079f..4199f1d 100644
--- a/src/fnd.cpp
+++ b/src/fnd.cpp
@@ -18,14 +18,15 @@ void printPath(const fs::path& path) {
     std::cout << path.string();
 
     std::cout << ANSI_RESET << std::endl;
-
 }
 
 void findFiles(const std::regex& pattern) {
     const fs::path& currentPath = fs::current_path();
 
-    for (auto& entry: fs::recursive_directory_iterator(currentPath)) {
-        const fs::path& path = entry.path().lexically_relative(currentPath);
+    fs::recursive_directory_iterator entry;
+    for (entry = fs::recursive_directory_iterator(currentPath);
+         entry != fs::recursive_directory_iterator(); ++entry) {
+        const fs::path& path = entry->path();
 
         if (std::regex_search(path.string(), pattern)) {
             printPath(path);
@@ -49,8 +50,9 @@ int main(int argc, char* argv[]) {
 
     // try to parse the argument as a regex
     try {
-        std::regex re(argument, std::regex_constants::ECMAScript
-                              | std::regex_constants::icase      );
+        std::regex::flag_type flags =   std::regex_constants::ECMAScript
+                                      | std::regex_constants::icase;
+        std::regex re(argument, flags);
 
         findFiles(re);
     }