diff --git a/generator/bestbits.cpp b/generator/bestbits.cpp
index 27086a9..cdcf5ca 100644
--- a/generator/bestbits.cpp
+++ b/generator/bestbits.cpp
@@ -20,7 +20,7 @@
 
 #include <boost/filesystem/operations.hpp>
 #include <boost/thread/thread.hpp>
-#include <boost/spirit/core.hpp>
+#include <boost/spirit/home/classic/core.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/foreach.hpp>
 #include <fstream>
diff --git a/generator/cipherdesc.h b/generator/cipherdesc.h
index d7e8528..d5c407c 100644
--- a/generator/cipherdesc.h
+++ b/generator/cipherdesc.h
@@ -24,15 +24,15 @@
 #include <vector>
 #include <stack>
 #include <string>
-#include <boost/spirit/core.hpp>
-#include <boost/spirit/actor/push_back_actor.hpp>
+#include <boost/spirit/home/classic/core.hpp>
+#include <boost/spirit/home/classic/actor.hpp>
 #include <boost/filesystem/path.hpp>
 #include <boost/thread/thread.hpp>
 
 #include "MersenneTwister.h"
 #include "variables.h"
 
-using namespace boost::spirit;
+using namespace boost::spirit::classic;
 namespace bs = boost::filesystem;
 using std::stack;
 using std::vector;
diff --git a/generator/data_holder.cpp b/generator/data_holder.cpp
index eae5f92..eb7fe20 100644
--- a/generator/data_holder.cpp
+++ b/generator/data_holder.cpp
@@ -25,7 +25,7 @@
 #include <iostream>
 #include <map>
 #include <fstream>
-#include <boost/spirit/core.hpp>
+#include <boost/spirit/home/classic/core.hpp>
 
 #include "data_holder.h"
 #include "debug.h"