diff --git a/cmake/vendor.cmake b/cmake/vendor.cmake
index f1138416..b2747352 100644
--- a/cmake/vendor.cmake
+++ b/cmake/vendor.cmake
@@ -218,6 +218,8 @@ CPMAddPackage(
     NAME md4c
     GITHUB_REPOSITORY mity/md4c
     GIT_TAG 755ce49acdc7cd682d4502b4796db5ed6a1230fb
+    OPTIONS
+        "BUILD_SHARED_LIBS OFF"
     EXCLUDE_FROM_ALL TRUE
 )