diff --git a/Cargo.lock b/Cargo.lock
index 096bc906f1..7772dc74f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1482,9 +1482,9 @@ checksum = "830b246a0e5f20af87141b25c173cd1b609bd7779a4617d6ec582abaf90870f3"
 
 [[package]]
 name = "once_cell"
-version = "1.18.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "oorandom"
diff --git a/Cargo.toml b/Cargo.toml
index db4efaef8e..42d861bbd2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ itertools = { version = "0.11.0" }
 libcst = { version = "1.1.0", default-features = false }
 log = { version = "0.4.17" }
 memchr = { version = "2.6.4" }
-once_cell = { version = "1.17.1" }
+once_cell = { version = "1.19.0" }
 path-absolutize = { version = "3.1.1" }
 proc-macro2 = { version = "1.0.70" }
 quote = { version = "1.0.23" }