diff --git a/Cargo.lock b/Cargo.lock
index 33d7fcfe..30ab8a32 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -714,9 +714,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
+checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
 
 [[package]]
 name = "onig"
diff --git a/Cargo.toml b/Cargo.toml
index 22ea9ef1..226be12e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,7 +47,7 @@ ansi_colours = "^1.0"
 bincode = "1.0"
 console = "0.15.0"
 flate2 = "1.0"
-once_cell = "1.8"
+once_cell = "1.9"
 thiserror = "1.0"
 wild = { version = "2.0", optional = true }
 content_inspector = "0.2.4"