diff --git a/Cargo.lock b/Cargo.lock
index c72d4b79..e6e469aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -775,9 +775,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95c43eba5c640051fbde86a3377842386a94281df3ff0a5f0365c2075ed5c66f"
+checksum = "f53cef67919d7d247eb9a2f128ca9e522789967ef1eb4ccd8c71a95a8aedf596"
 
 [[package]]
 name = "opaque-debug"
diff --git a/Cargo.toml b/Cargo.toml
index 4f535031..2969cd1d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@ battery = { version = "0.7.8", optional = true }
 path-slash = "0.1.3"
 unicode-segmentation = "1.6.0"
 gethostname = "0.2.1"
-once_cell = "1.5.0"
+once_cell = "1.5.1"
 chrono = "0.4"
 sysinfo = "0.15.3"
 byte-unit = "4.0.9"