diff --git a/Cargo.lock b/Cargo.lock
index d32d5fcf..baf235ca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -573,9 +573,9 @@ checksum = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
 
 [[package]]
 name = "once_cell"
-version = "1.13.1"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "074864da206b4973b84eb91683020dbefd6a8c3f0f38e054d93954e891935e4e"
+checksum = "e82dad04139b71a90c080c8463fe0dc7902db5192d939bd0950f074d014339e1"
 
 [[package]]
 name = "onig"
diff --git a/Cargo.toml b/Cargo.toml
index 620e7634..3cc98b57 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ clap = "2.34"
 faccess = "0.2.4"
 walkdir = "2.3"
 regex = "1.6"
-once_cell = "1.13"
+once_cell = "1.15"
 onig = "6.4"
 uucore = { version = "0.0.12", features = ["entries", "fs", "fsext", "mode"] }