diff --git a/bsputil/CMakeLists.txt b/bsputil/CMakeLists.txt
index 84fcd61c..e45d1301 100644
--- a/bsputil/CMakeLists.txt
+++ b/bsputil/CMakeLists.txt
@@ -5,4 +5,9 @@ set(BSPUTIL_SOURCES
 
 add_executable(bsputil ${BSPUTIL_SOURCES})
 target_link_libraries(bsputil common TBB::tbb fmt::fmt)
+
+# HACK: copy .dll dependencies
+add_custom_command(TARGET bsputil POST_BUILD
+                   COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:TBB::tbb>" "$<TARGET_FILE_DIR:bsputil>")
+
 install(TARGETS bsputil RUNTIME DESTINATION bin)
diff --git a/qbsp/CMakeLists.txt b/qbsp/CMakeLists.txt
index 6525c62c..01156143 100644
--- a/qbsp/CMakeLists.txt
+++ b/qbsp/CMakeLists.txt
@@ -38,6 +38,10 @@ target_link_libraries(qbsp libqbsp)
 
 install(TARGETS qbsp RUNTIME DESTINATION bin)
 
+# HACK: copy .dll dependencies
+add_custom_command(TARGET qbsp POST_BUILD
+                   COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:TBB::tbb>" "$<TARGET_FILE_DIR:qbsp>")
+
 # test (copied from light/CMakeLists.txt)
 
 set(QBSP_TEST_SOURCE