diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index af7183ba..6f0e753a 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -387,9 +387,9 @@ dependencies = [
 
 [[package]]
 name = "darling"
-version = "0.20.10"
+version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f63b86c8a8826a49b8c21f08a2d07338eec8d900540f8630dc76284be802989"
+checksum = "9cdf337090841a411e2a7f3deb9187445851f91b309c0c0a29e05f74a00a48c0"
 dependencies = [
  "darling_core",
  "darling_macro",
@@ -397,9 +397,9 @@ dependencies = [
 
 [[package]]
 name = "darling_core"
-version = "0.20.10"
+version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95133861a8032aaea082871032f5815eb9e98cef03fa916ab4500513994df9e5"
+checksum = "1247195ecd7e3c85f83c8d2a366e4210d588e802133e1e355180a9870b517ea4"
 dependencies = [
  "fnv",
  "ident_case",
@@ -411,9 +411,9 @@ dependencies = [
 
 [[package]]
 name = "darling_macro"
-version = "0.20.10"
+version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d336a2a514f6ccccaa3e09b02d41d35330c07ddf03a62165fcec10bb561c7806"
+checksum = "d38308df82d1080de0afee5d069fa14b0326a88c14f15c5ccda35b4a6c414c81"
 dependencies = [
  "darling_core",
  "quote",
@@ -465,14 +465,15 @@ dependencies = [
 
 [[package]]
 name = "diesel"
-version = "2.2.4"
+version = "2.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "158fe8e2e68695bd615d7e4f3227c0727b151330d3e253b525086c348d055d5e"
+checksum = "78df0e4e8c596662edb07fbfbb7f23769cca35049827df5f909084d956b6aeaf"
 dependencies = [
  "bitflags",
  "byteorder",
  "chrono",
  "diesel_derives",
+ "downcast-rs",
  "mysqlclient-sys",
  "percent-encoding",
  "r2d2",
@@ -481,9 +482,9 @@ dependencies = [
 
 [[package]]
 name = "diesel_derives"
-version = "2.2.3"
+version = "2.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7f2c3de51e2ba6bf2a648285696137aaf0f5f487bcbea93972fe8a364e131a4"
+checksum = "d1817b7f4279b947fc4cafddec12b0e5f8727141706561ce3ac94a60bddd1cf5"
 dependencies = [
  "diesel_table_macro_syntax",
  "dsl_auto_type",
@@ -494,9 +495,9 @@ dependencies = [
 
 [[package]]
 name = "diesel_table_macro_syntax"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "209c735641a413bc68c4923a9d6ad4bcb3ca306b794edaa7eb0b3228a99ffb25"
+checksum = "fe2444076b48641147115697648dc743c2c00b61adade0f01ce67133c7babe8c"
 dependencies = [
  "syn",
 ]
@@ -527,11 +528,17 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
+[[package]]
+name = "downcast-rs"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "117240f60069e65410b3ae1bb213295bd828f707b5bec6596a1afc8793ce0cbc"
+
 [[package]]
 name = "dsl_auto_type"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5d9abe6314103864cc2d8901b7ae224e0ab1a103a0a416661b4097b0779b607"
+checksum = "dd122633e4bef06db27737f21d3738fb89c8f6d5360d6d9d7635dda142a7757e"
 dependencies = [
  "darling",
  "either",
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index f15dab07..b2cb73b9 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -11,7 +11,7 @@ debug = true
 [dependencies]
 dotenv = "0.15.0"
 
-diesel = { version = "2.2", features = ["mysql", "chrono"] }
+diesel = { version = "2.3", features = ["mysql", "chrono"] }
 
 hex = "0.4"