--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -347,9 +347,9 @@ target_link_libraries(Aegisub PRIVATE "O
 find_package(Iconv REQUIRED)
 target_link_libraries(libaegisub PRIVATE "Iconv::Iconv")
 
-find_package(ICU REQUIRED uc)
-target_link_libraries(libaegisub PRIVATE "ICU::uc")
-target_link_libraries(Aegisub PRIVATE "ICU::uc")
+find_package(ICU REQUIRED uc i18n)
+target_link_libraries(libaegisub PRIVATE "ICU::uc" ICU::i18n)
+target_link_libraries(Aegisub PRIVATE "ICU::uc" ICU::i18n)
 
 find_package(wxWidgets REQUIRED adv base core gl stc xml)
 include(${wxWidgets_USE_FILE})