diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf4b878..8104556 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ if(NOT TARGET json-hpp)
 endif()
 
 # and one for the validator
-add_library(json-schema-validator
+add_library(json-schema-validator SHARED
     src/json-schema-draft4.json.cpp
     src/json-uri.cpp
     src/json-validator.cpp)