diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc3fc0b..5fbe6d2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ function (build_gcov)
     ${PROJECT_BINARY_DIR}/third_party/perf_data_converter/src/quipper)
 
   find_package (glog REQUIRED)
+  find_package (gflags REQUIRED)
   find_library (LIBELF_LIBRARIES NAMES elf REQUIRED)
   find_library (LIBCRYPTO_LIBRARIES NAMES crypto REQUIRED)
 
@@ -90,6 +91,7 @@ function (build_gcov)
     absl::flags_parse
     create_gcov_lib
     glog::glog
+    gflags::gflags
     quipper_perf
   )
 
@@ -111,6 +113,7 @@ function (build_gcov)
     absl::flags_parse
     profile_merger_lib
     glog::glog
+    gflags::gflags
     quipper_perf
   )
 
@@ -129,7 +132,9 @@ function (build_gcov)
     absl::flags
     absl::flags_parse
     dump_gcov_lib
-    glog::glog)
+    glog::glog
+    gflags::gflags
+  )
 
 endfunction()