diff --git a/Cargo.lock b/Cargo.lock
index d8eceef351a1..90d5d6d8f7aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3270,16 +3270,16 @@ checksum = "d36fab90f82edc3c747f9d438e06cf0a491055896f2a279638bb5beed6c40177"
 
 [[package]]
 name = "handlebars"
-version = "3.5.2"
+version = "4.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "964d0e99a61fe9b1b347389b77ebf8b7e1587b70293676aaca7d27e59b9073b2"
+checksum = "035ef95d03713f2c347a72547b7cd38cbc9af7cd51e6099fb62d586d4a6dee3a"
 dependencies = [
  "log",
  "pest",
  "pest_derive",
- "quick-error 2.0.0",
  "serde",
  "serde_json",
+ "thiserror",
 ]
 
 [[package]]
@@ -3407,7 +3407,7 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
 dependencies = [
- "quick-error 1.2.3",
+ "quick-error",
 ]
 
 [[package]]
@@ -4350,7 +4350,7 @@ dependencies = [
  "log",
  "mime",
  "mime_guess",
- "quick-error 1.2.3",
+ "quick-error",
  "rand 0.6.5",
  "safemem",
  "tempfile",
@@ -5093,7 +5093,7 @@ dependencies = [
  "byteorder",
  "lazy_static",
  "num-traits",
- "quick-error 1.2.3",
+ "quick-error",
  "rand 0.7.3",
  "rand_chacha 0.2.2",
  "rand_xorshift 0.2.0",
@@ -5187,12 +5187,6 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
-[[package]]
-name = "quick-error"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ac73b1112776fc109b2e61909bc46c7e1bf0d7f690ffb1676553acce16d5cda"
-
 [[package]]
 name = "quote"
 version = "0.6.13"
@@ -5820,7 +5814,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb3dcc6e454c328bb824492db107ab7c0ae8fcffe4ad210136ef014458c1bc4f"
 dependencies = [
  "fnv",
- "quick-error 1.2.3",
+ "quick-error",
  "tempfile",
  "wait-timeout",
 ]
diff --git a/language/diem-tools/writeset-transaction-generator/Cargo.toml b/language/diem-tools/writeset-transaction-generator/Cargo.toml
index 68f8d7cfca94..5582f8bab1b2 100644
--- a/language/diem-tools/writeset-transaction-generator/Cargo.toml
+++ b/language/diem-tools/writeset-transaction-generator/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2018"
 anyhow = "1.0.38"
 structopt = "0.3.21"
 tempfile = "3.2.0"
-handlebars = "3.5.2"
+handlebars = "4.3.6"
 serde = { version = "1.0.120", default-features = false }
 serde_json = "1.0.61"
 once_cell = "1.4.1"
diff --git a/language/move-prover/Cargo.toml b/language/move-prover/Cargo.toml
index 6cc1c796e1f0..b54224297f62 100644
--- a/language/move-prover/Cargo.toml
+++ b/language/move-prover/Cargo.toml
@@ -29,7 +29,7 @@ clap = "2.33.3"
 codespan = "0.8.0"
 codespan-reporting = "0.8.0"
 futures = "0.3.12"
-handlebars = "3.5.2"
+handlebars = "4.3.6"
 hex = "0.4.2"
 itertools = "0.10.0"
 log = "0.4.13"