diff --git a/Cargo.lock b/Cargo.lock
index e0f552c79..5a8760571 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1012,10 +1012,11 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
 [[package]]
 name = "pest"
-version = "2.1.3"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+checksum = "823635055522a82e92ebd61dbe07ce53e180c8989cced4715eaec10baa1baeb7"
 dependencies = [
+ "thiserror",
  "ucd-trie",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index ca499ce3e..7b7fdd4c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,7 +47,7 @@ hex = "0.4.3"
 itertools = "0.10.3"
 jujutsu-lib = { version = "=0.4.0", path = "lib"}
 maplit = "1.0.2"
-pest = "2.1.3"
+pest = "2.2.0"
 pest_derive = "2.1.0"
 rand = "0.8.5"
 regex = "1.6.0"
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index d4469f8d0..502b17c93 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -28,7 +28,7 @@ git2 = "0.14.4"
 hex = "0.4.3"
 itertools = "0.10.3"
 maplit = "1.0.2"
-pest = "2.1.3"
+pest = "2.2.0"
 pest_derive = "2.1.0"
 protobuf = { version = "3.0.1", features = ["with-bytes"] }
 rand = "0.8.5"