diff --git a/examples/main.cpp b/examples/main.cpp
index e7a90b3..ce10f63 100644
--- a/examples/main.cpp
+++ b/examples/main.cpp
@@ -28,6 +28,7 @@
 #include "munkres.h"
 #include "adapters/boostmatrixadapter.h"
 
+using namespace MunkresCpp;
 int
 main(int argc, char *argv[]) {
 	int nrows = 101;
diff --git a/src/adapters/adapter.h b/src/adapters/adapter.h
index 818a62c..ae4a7d8 100644
--- a/src/adapters/adapter.h
+++ b/src/adapters/adapter.h
@@ -22,6 +22,8 @@
 #include "matrix.h"
 #include "munkres.h"
 
+namespace MunkresCpp {
+
 template<typename Data, class Container > class Adapter
 {
 public:
@@ -36,5 +38,6 @@ template<typename Data, class Container > class Adapter
 protected:
     Munkres<Data> m_munkres;
 };
+}
 
 #endif /* _ADAPTER_H_ */
diff --git a/src/adapters/boostmatrixadapter.h b/src/adapters/boostmatrixadapter.h
index 8ebe8b1..4d44f27 100644
--- a/src/adapters/boostmatrixadapter.h
+++ b/src/adapters/boostmatrixadapter.h
@@ -21,6 +21,7 @@
 
 #include "adapter.h"
 #include <boost/numeric/ublas/matrix.hpp>
+namespace MunkresCpp {
 
 template<typename Data> class BoostMatrixAdapter : public Adapter<Data,boost::numeric::ublas::matrix<Data> >
 {
@@ -49,5 +50,5 @@ template<typename Data> class BoostMatrixAdapter : public Adapter<Data,boost::nu
           }
     }
 };
-
+}
 #endif /* _BOOSTMATRIXADAPTER_H_ */
diff --git a/src/adapters/std2darrayadapter.h b/src/adapters/std2darrayadapter.h
index ac4865f..b5b1471 100644
--- a/src/adapters/std2darrayadapter.h
+++ b/src/adapters/std2darrayadapter.h
@@ -20,6 +20,7 @@
 #define STD2DARRAYADAPTER_H
 
 #include "adapter.h"
+namespace MunkresCpp {
 
 template<typename Data, size_t rows, size_t columns> class Std2dArrayAdapter : public Adapter<Data, std::array <std::array <Data, columns>, rows>>
 {
@@ -48,5 +49,5 @@ template<typename Data, size_t rows, size_t columns> class Std2dArrayAdapter : p
         }
     }
 };
-
+}
 #endif // STD2DARRAYADAPTER_H
diff --git a/src/adapters/std2dvectordapter.cpp b/src/adapters/std2dvectordapter.cpp
index 4dc55ae..94bb200 100644
--- a/src/adapters/std2dvectordapter.cpp
+++ b/src/adapters/std2dvectordapter.cpp
@@ -18,6 +18,7 @@
 
 #include "std2dvectordapter.h"
 
+using namespace MunkresCpp;
 template class Std2dVectorAdapter<double>;
 template class Std2dVectorAdapter<float>;
 template class Std2dVectorAdapter<int>;
diff --git a/src/adapters/std2dvectordapter.h b/src/adapters/std2dvectordapter.h
index 5b81704..b2c815a 100644
--- a/src/adapters/std2dvectordapter.h
+++ b/src/adapters/std2dvectordapter.h
@@ -20,6 +20,7 @@
 #define RAW2DARRAY_H
 
 #include "adapter.h"
+namespace MunkresCpp {
 
 template<typename Data> class Std2dVectorAdapter : public Adapter<Data,std::vector<std::vector <Data>>>
 {
@@ -57,5 +58,6 @@ template<typename Data> class Std2dVectorAdapter : public Adapter<Data,std::vect
         }
     }
 };
+}
 
 #endif // RAW2DARRAY_H
diff --git a/src/matrix.cpp b/src/matrix.cpp
index 2e1085f..e543be8 100644
--- a/src/matrix.cpp
+++ b/src/matrix.cpp
@@ -21,6 +21,7 @@
 #include <cassert>
 #include <cstdlib>
 #include <algorithm>
+using namespace MunkresCpp;
 
 /*export*/ template <class T>
 Matrix<T>::Matrix() {
@@ -234,4 +235,4 @@ Matrix<T>::max() const {
   }
 
   return max;
-}
+}
\ No newline at end of file
diff --git a/src/matrix.h b/src/matrix.h
index 4be2a35..e5c973c 100644
--- a/src/matrix.h
+++ b/src/matrix.h
@@ -23,6 +23,7 @@
 #include <cstdlib>
 #include <ostream>
 
+namespace MunkresCpp {
 template <class T>
 class Matrix {
 public:
@@ -63,7 +64,7 @@ class Matrix {
   size_t m_rows;
   size_t m_columns;
 };
-
+}
 #ifndef USE_EXPORT_KEYWORD
 #include "matrix.cpp"
 //#define export /*export*/
diff --git a/src/munkres.cpp b/src/munkres.cpp
index fdd1b55..9e7e0e0 100644
--- a/src/munkres.cpp
+++ b/src/munkres.cpp
@@ -19,6 +19,7 @@
 
 #include "munkres.h"
 
+using namespace MunkresCpp;
 template class Munkres<double>;
 template class Munkres<float>;
 template class Munkres<int>;
diff --git a/src/munkres.h b/src/munkres.h
index 02f558a..9dc0988 100644
--- a/src/munkres.h
+++ b/src/munkres.h
@@ -28,6 +28,8 @@
 #include <cmath>
 #include <limits>
 
+namespace MunkresCpp {
+
 template<typename Data> class Munkres
 {
     static constexpr int NORMAL = 0;
@@ -460,5 +462,5 @@ template<typename Data> class Munkres
   size_t saverow = 0, savecol = 0;
 };
 
-
+}
 #endif /* !defined(_MUNKRES_H_) */
diff --git a/tests/adapters/boost_matrixtest.cpp b/tests/adapters/boost_matrixtest.cpp
index 7fcfd97..415d609 100644
--- a/tests/adapters/boost_matrixtest.cpp
+++ b/tests/adapters/boost_matrixtest.cpp
@@ -3,6 +3,7 @@
 #include <iostream>
 #include <iomanip>
 
+using namespace MunkresCpp;
 
 
 class Adapters_boost_matrix_Test : public ::testing::Test
diff --git a/tests/adapters/std_2d_arraytest.cpp b/tests/adapters/std_2d_arraytest.cpp
index d3cf118..5c63742 100644
--- a/tests/adapters/std_2d_arraytest.cpp
+++ b/tests/adapters/std_2d_arraytest.cpp
@@ -4,6 +4,7 @@
 #include <iomanip>
 
 
+using namespace MunkresCpp;
 
 class Adapters_std_2d_array_Test : public ::testing::Test
 {
diff --git a/tests/adapters/std_2d_vectortest.cpp b/tests/adapters/std_2d_vectortest.cpp
index 3e01034..4653e13 100644
--- a/tests/adapters/std_2d_vectortest.cpp
+++ b/tests/adapters/std_2d_vectortest.cpp
@@ -1,6 +1,7 @@
 #include <gtest/gtest.h>
 #include "adapters/std2dvectordapter.h"
 
+using namespace MunkresCpp;
 
 
 class Adapters_std_2d_vector_Test : public ::testing::Test
diff --git a/tests/matrixtest.h b/tests/matrixtest.h
index 645dc49..e283207 100644
--- a/tests/matrixtest.h
+++ b/tests/matrixtest.h
@@ -21,6 +21,7 @@
 
 #include "matrix.h"
 #include <iostream>
+using namespace MunkresCpp;
 
 template <class T>
 bool operator == (const Matrix <T> & a, const Matrix <T> & b)