diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6eb44ff..f7fdcac 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -38,6 +38,7 @@ endif(APPLE)
 # Bundled code will occasionally use identical options - eg, BUILD_TESTING.
 set(BUILD_TESTING OFF)
 set(BUILD_STATIC_LIBS ON)
+set(BUILD_SHARED_LIBS OFF)
 
 # Bundled liblzma
 set(XZ_MICROLZMA_DECODER OFF)