diff --git a/Cargo.lock b/Cargo.lock
index 388411c4..3b37ea25 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -692,9 +692,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.10.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
+checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
 
 [[package]]
 name = "onig"
diff --git a/Cargo.toml b/Cargo.toml
index deac2b5d..f56ff0c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ ansi_colours = "^1.1"
 bincode = "1.0"
 console = "0.15.0"
 flate2 = "1.0"
-once_cell = "1.10"
+once_cell = "1.12"
 thiserror = "1.0"
 wild = { version = "2.0", optional = true }
 content_inspector = "0.2.4"