diff --git a/Makefile b/Makefile
index 5f4e325..db28138 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,9 @@ install:
 
 # Run the crawler with a string argument for the ws RPC
 run:
+	# set max open file descriptor to 25000
+	ulimit -n 25000
+
 	source "$HOME/.cargo/env"
 	cargo build --release -p reth-crawler
 	cd target/release