diff --git a/Cargo.lock b/Cargo.lock
index 51e35205f..7da6a4066 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1599,9 +1599,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.1"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
+checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "openssl"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 284b08946..d3019145e 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -16,7 +16,7 @@ path = "src/main.rs"
 check-if-email-exists = { path = "../core", features = ["headless"] }
 clap = { version = "3.2", features = ["derive", "env"] }
 env_logger = "0.10"
-once_cell = "1.17"
+once_cell = "1.18"
 openssl = { version = "0.10", features = ["vendored"] }
 serde = "1.0"
 serde_json = "1.0"
diff --git a/core/Cargo.toml b/core/Cargo.toml
index bc3d55751..a5d4f5eb0 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -25,7 +25,7 @@ levenshtein = "1.0.5"
 log = "0.4.20"
 mailchecker = "5.0.7"
 md5 = "0.7.0"
-once_cell = "1.17.1"
+once_cell = "1.18.0"
 pwned = "0.5.0"
 rand = { version = "0.8.5", features = ["small_rng"] }
 regex = "1.9.4"