diff --git a/Cargo.lock b/Cargo.lock
index 90a5373dbb5..19ffb85d3d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2669,6 +2669,15 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6999dc1837253364c2ebb0704ba97994bd874e8f195d665c50b7548f6ea92764"
 
+[[package]]
+name = "fdlimit"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c4c9e43643f5a3be4ca5b67d26b98031ff9db6806c3440ae32e02e3ceac3f1b"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "ff"
 version = "0.12.1"
@@ -8485,6 +8494,7 @@ dependencies = [
  "eth2_keystore",
  "ethereum_serde_utils",
  "exit-future",
+ "fdlimit",
  "filesystem",
  "futures",
  "hex",
diff --git a/validator_client/Cargo.toml b/validator_client/Cargo.toml
index 46f523c9905..d5dc93487c0 100644
--- a/validator_client/Cargo.toml
+++ b/validator_client/Cargo.toml
@@ -62,3 +62,4 @@ malloc_utils = { workspace = true }
 sysinfo = { workspace = true }
 system_health = { path = "../common/system_health" }
 logging = { workspace = true }
+fdlimit = "0.2.1"
diff --git a/validator_client/src/lib.rs b/validator_client/src/lib.rs
index 6925e285fc5..13e821c47f1 100644
--- a/validator_client/src/lib.rs
+++ b/validator_client/src/lib.rs
@@ -46,7 +46,7 @@ use notifier::spawn_notifier;
 use parking_lot::RwLock;
 use preparation_service::{PreparationService, PreparationServiceBuilder};
 use reqwest::Certificate;
-use slog::{error, info, warn, Logger};
+use slog::{debug, error, info, warn, Logger};
 use slot_clock::SlotClock;
 use slot_clock::SystemTimeSlotClock;
 use std::fs::File;
@@ -120,6 +120,18 @@ impl<T: EthSpec> ProductionValidatorClient<T> {
     pub async fn new(context: RuntimeContext<T>, config: Config) -> Result<Self, String> {
         let log = context.log().clone();
 
+        // Attempt to raise soft fd limit. The behavior is OS specific:
+        // `linux` - raise soft fd limit to hard
+        // `macos` - raise soft fd limit to `min(kernel limit, hard fd limit)`
+        // `windows` & rest - noop
+        if let Some(limit) = fdlimit::raise_fd_limit() {
+            debug!(
+                log,
+                "Raised soft open file descriptor resource limit";
+                "new_limit" => limit
+            );
+        }
+
         info!(
             log,
             "Starting validator client";