diff --git a/requirements_dev.txt b/requirements_dev.txt
index e3d8c0e..3d5ca3c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,3 +5,4 @@ pytest-asyncio
 pylint
 grpcio
 grpcio-tools
+lru-dict>=1.1.6
\ No newline at end of file
diff --git a/setup.py b/setup.py
index c44a276..0c62145 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,8 @@ setuptools.setup(
         "pymultihash",
         "multiaddr",
         "grpcio",
-        "grpcio-tools"
+        "grpcio-tools",
+        "lru-dict>=1.1.6"
     ],
     packages=["libp2p"],
     zip_safe=False,