diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index d8a661c1..c6101fac 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -4,7 +4,7 @@ set(TEST_MAIN_SRC test-main.cc gtest-extra.cc gtest-extra.h util.cc)
 add_library(test-main STATIC ${TEST_MAIN_SRC})
 target_include_directories(test-main PUBLIC
   $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
-target_link_libraries(test-main gtest)
+target_link_libraries(test-main gtest fmt)
 
 include(CheckCXXCompilerFlag)