diff --git a/Cargo.lock b/Cargo.lock
index 27c064bcf..f88e1a5fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -990,9 +990,9 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
 [[package]]
 name = "pest"
-version = "2.3.1"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb779fcf4bb850fbbb0edc96ff6cf34fd90c4b1a112ce042653280d9a7364048"
+checksum = "dbc7bc69c062e492337d74d59b120c274fd3d261b6bf6d3207d499b4b379c41a"
 dependencies = [
  "thiserror",
  "ucd-trie",
diff --git a/Cargo.toml b/Cargo.toml
index ab2fd7542..03f4ff482 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,7 +47,7 @@ hex = "0.4.3"
 itertools = "0.10.5"
 jujutsu-lib = { version = "=0.4.0", path = "lib"}
 maplit = "1.0.2"
-pest = "2.3.1"
+pest = "2.4.0"
 pest_derive = "2.3"
 rand = "0.8.5"
 regex = "1.6.0"
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 48ab944ee..221ca18f3 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -29,7 +29,7 @@ hex = "0.4.3"
 itertools = "0.10.5"
 maplit = "1.0.2"
 once_cell = "1.15.0"
-pest = "2.3.1"
+pest = "2.4.0"
 pest_derive = "2.3.1"
 protobuf = { version = "3.0.1", features = ["with-bytes"] }
 rand = "0.8.5"