diff --git a/CMakeLists.txt b/CMakeLists.txt
index 616d9f3..717e23b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,8 +133,8 @@ include_directories ("${PROJECT_SOURCE_DIR}/src")
 include_directories ("${PROJECT_BINARY_DIR}/include")
 include_directories ("${PROJECT_BINARY_DIR}/include/${GFLAGS_NAMESPACE}")
 
-add_library (gflags           ${GFLAGS_SRCS})
-add_library (gflags_nothreads ${GFLAGS_SRCS})
+add_library (gflags           ${GFLAGS_SRCS} ${PRIVATE_HDRS} ${PUBLIC_HDRS})
+add_library (gflags_nothreads ${GFLAGS_SRCS} ${PRIVATE_HDRS} ${PUBLIC_HDRS})
 set_target_properties (gflags_nothreads PROPERTIES COMPILE_DEFINITIONS NO_THREADS)
 
 # ----------------------------------------------------------------------------