diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index e2dfd7b..14d185c 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -9,10 +9,11 @@ rotgen_setup_test_targets()
 ##======================================================================================================================
 ## Compiler options for Unit Tests
 ##======================================================================================================================
+find_package (Eigen3 3.4 REQUIRED NO_MODULE)
 add_library(rotgen_test INTERFACE)
 target_compile_options(rotgen_test INTERFACE -std=c++20 -Werror -Wall -Wextra -Wshadow -Wunused-variable)
 target_include_directories( rotgen_test INTERFACE ${PROJECT_SOURCE_DIR}/test)
-target_link_libraries(rotgen_test INTERFACE rotgen)
+target_link_libraries(rotgen_test INTERFACE rotgen Eigen3::Eigen)
 
 ##======================================================================================================================
 ## Unit Tests registration