diff --git a/cpp/unittest/faiss_wrapper/CMakeLists.txt b/cpp/unittest/faiss_wrapper/CMakeLists.txt
index a1b16a9cda..ce45b2e4ea 100644
--- a/cpp/unittest/faiss_wrapper/CMakeLists.txt
+++ b/cpp/unittest/faiss_wrapper/CMakeLists.txt
@@ -41,6 +41,7 @@ set(wrapper_libs
         snappy
         bz2
         z
+        zstd
         )
 target_link_libraries(wrapper_test ${unittest_libs} ${wrapper_libs})
 
diff --git a/cpp/unittest/server/CMakeLists.txt b/cpp/unittest/server/CMakeLists.txt
index 8e8e116481..ddcf835da2 100644
--- a/cpp/unittest/server/CMakeLists.txt
+++ b/cpp/unittest/server/CMakeLists.txt
@@ -40,6 +40,7 @@ set(require_libs
         snappy
         bz2
         z
+        zstd
         rocksdb
         faiss
         cudart