diff --git a/test/spinlock_test.cpp b/test/spinlock_test.cpp
index 0820b96..d2c66c0 100644
--- a/test/spinlock_test.cpp
+++ b/test/spinlock_test.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/spinlock.hpp>
+#include <boost/smart_ptr/detail/spinlock.hpp>
 
 // Sanity check only
 
diff --git a/test/spinlock_try_test.cpp b/test/spinlock_try_test.cpp
index 59e3390..008b60e 100644
--- a/test/spinlock_try_test.cpp
+++ b/test/spinlock_try_test.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/spinlock.hpp>
+#include <boost/smart_ptr/detail/spinlock.hpp>
 #include <boost/detail/lightweight_test.hpp>
 
 // Sanity check only
diff --git a/test/yield_k_test.cpp b/test/yield_k_test.cpp
index 1e6ab13..593c13d 100644
--- a/test/yield_k_test.cpp
+++ b/test/yield_k_test.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#include <boost/detail/yield_k.hpp>
+#include <boost/smart_ptr/detail/yield_k.hpp>
 
 // Sanity check only