diff --git a/include/boost/lambda2/lambda2.hpp b/include/boost/lambda2/lambda2.hpp
index 676b613..aafec84 100644
--- a/include/boost/lambda2/lambda2.hpp
+++ b/include/boost/lambda2/lambda2.hpp
@@ -9,6 +9,10 @@
 #include <type_traits>
 #include <utility>
 
+// Same format as BOOST_VERSION:
+//   major * 100000 + minor * 100 + patch
+#define BOOST_LAMBDA2_VERSION 107700
+
 namespace boost
 {
 namespace lambda2
diff --git a/test/Jamfile b/test/Jamfile
index bd305cb..9aabfc1 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -16,5 +16,5 @@ project : requirements
   <toolset>gcc:<warnings-as-errors>on ;
 
 run quick.cpp ;
-
 run lambda2_test.cpp ;
+run version.cpp ;
diff --git a/test/version.cpp b/test/version.cpp
new file mode 100644
index 0000000..d4c8de5
--- /dev/null
+++ b/test/version.cpp
@@ -0,0 +1,13 @@
+// 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/version.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+int main()
+{
+    BOOST_TEST_EQ( BOOST_LAMBDA2_VERSION, BOOST_VERSION );
+    return boost::report_errors();
+}