diff --git a/include/boost/lambda2/lambda2.hpp b/include/boost/lambda2/lambda2.hpp
index 56b3279..87d7c3f 100644
--- a/include/boost/lambda2/lambda2.hpp
+++ b/include/boost/lambda2/lambda2.hpp
@@ -97,6 +97,12 @@ BOOST_LAMBDA2_BINARY_FN(>>, right_shift)
 BOOST_LAMBDA2_UNARY_FN(+, unary_plus)
 BOOST_LAMBDA2_UNARY_FN(*, dereference)
 
+BOOST_LAMBDA2_UNARY_FN(++, increment)
+BOOST_LAMBDA2_UNARY_FN(--, decrement)
+
+BOOST_LAMBDA2_POSTFIX_FN(++, postfix_increment)
+BOOST_LAMBDA2_POSTFIX_FN(--, postfix_decrement)
+
 // operators
 
 template<class T> using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>;
@@ -119,6 +125,13 @@ template<class A, class B> using enable_binary_lambda =
         return std::bind( fn(), std::forward<A>(a) ); \
     }
 
+#define BOOST_LAMBDA2_POSTFIX_LAMBDA(op, fn) \
+    template<class A, class = lambda2_detail::enable_unary_lambda<A>> \
+    auto operator op( A&& a, int ) \
+    { \
+        return std::bind( fn(), std::forward<A>(a) ); \
+    }
+
 #define BOOST_LAMBDA2_BINARY_LAMBDA(op, fn) \
     template<class A, class B, class = lambda2_detail::enable_binary_lambda<A, B>> \
     auto operator op( A&& a, B&& b ) \
@@ -159,6 +172,12 @@ BOOST_LAMBDA2_BINARY_LAMBDA(>>, lambda2_detail::right_shift)
 BOOST_LAMBDA2_UNARY_LAMBDA(+, lambda2_detail::unary_plus)
 BOOST_LAMBDA2_UNARY_LAMBDA(*, lambda2_detail::dereference)
 
+BOOST_LAMBDA2_UNARY_LAMBDA(++, lambda2_detail::increment)
+BOOST_LAMBDA2_UNARY_LAMBDA(--, lambda2_detail::decrement)
+
+BOOST_LAMBDA2_POSTFIX_LAMBDA(++, lambda2_detail::postfix_increment)
+BOOST_LAMBDA2_POSTFIX_LAMBDA(--, lambda2_detail::postfix_decrement)
+
 } // namespace lambda2
 } // namespace boost
 
diff --git a/test/Jamfile b/test/Jamfile
index c86f484..48d30cf 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -21,3 +21,4 @@ run version.cpp ;
 run lookup_problem.cpp ;
 run dereference.cpp ;
 run placeholders.cpp ;
+run increment.cpp ;
diff --git a/test/increment.cpp b/test/increment.cpp
new file mode 100644
index 0000000..d36b55e
--- /dev/null
+++ b/test/increment.cpp
@@ -0,0 +1,34 @@
+// Copyright 2021 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/lambda2.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <functional>
+
+int main()
+{
+    using namespace boost::lambda2;
+
+    int x1 = 1, x2 = 2, y1 = 1, y2 = 2;
+
+    BOOST_TEST_EQ( (_1++)(x1), y1++ );
+    BOOST_TEST_EQ( (++_1)(x1), ++y1 );
+
+    BOOST_TEST_EQ( (_1--)(x1), y1-- );
+    BOOST_TEST_EQ( (--_1)(x1), --y1 );
+
+    BOOST_TEST_EQ( (_1++ + _2++)(x1, x2), y1++ + y2++ );
+    BOOST_TEST_EQ( (++_1 + ++_2)(x1, x2), ++y1 + ++y2 );
+
+    BOOST_TEST_EQ( (_1-- + _2--)(x1, x2), y1-- + y2-- );
+    BOOST_TEST_EQ( (--_1 + --_2)(x1, x2), --y1 + --y2 );
+
+    BOOST_TEST_EQ( std::bind(_1 + _2, _1++, _2++)(x1, x2), y1++ + y2++ );
+    BOOST_TEST_EQ( std::bind(_1 + _2, ++_1, ++_2)(x1, x2), ++y1 + ++y2 );
+
+    BOOST_TEST_EQ( std::bind(_1 + _2, _1--, _2--)(x1, x2), y1-- + y2-- );
+    BOOST_TEST_EQ( std::bind(_1 + _2, --_1, --_2)(x1, x2), --y1 + --y2 );
+
+    return boost::report_errors();
+}