diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 1b581a5..862fa92 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -3,6 +3,7 @@
 if(INSTALL_MBEDTLS_HEADERS)
 
     file(GLOB headers "mbedtls/*.h")
+    file(GLOB headers "tinycrypt/*.h")
 
     install(FILES ${headers}
         DESTINATION include/mbedtls