diff --git a/Cargo.lock b/Cargo.lock
index dd2060c3c..25ede2e6d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2452,9 +2452,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.9.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
+checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
 
 [[package]]
 name = "oorandom"
diff --git a/Cargo.toml b/Cargo.toml
index 95ee865aa..374eac750 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ native-tls = "0.2"
 num_cpus = "1.13"
 num-derive = "0.3"
 num-traits = "0.2"
-once_cell = "1.9.0"
+once_cell = "1.10.0"
 percent-encoding = "2.0"
 pgp = { version = "0.7", default-features = false }
 pretty_env_logger = { version = "0.4", optional = true }