diff --git a/geneit_backend/Cargo.lock b/geneit_backend/Cargo.lock
index c3c4b73..9737a60 100644
--- a/geneit_backend/Cargo.lock
+++ b/geneit_backend/Cargo.lock
@@ -404,7 +404,7 @@ checksum = "cc6dde6e4ed435a4c1ee4e73592f5ba9da2151af10076cc04858746af9352d09"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -681,7 +681,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -894,7 +894,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -916,7 +916,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core 0.20.3",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -954,7 +954,7 @@ dependencies = [
  "diesel_table_macro_syntax",
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -963,7 +963,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc5557efc453706fed5e4fa85006fe9817c224c3f480a34c7e5959fd700921c5"
 dependencies = [
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -1253,7 +1253,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -1978,7 +1978,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2103,7 +2103,7 @@ dependencies = [
  "phf_shared",
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2132,7 +2132,7 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2548,22 +2548,22 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.166"
+version = "1.0.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d01b7404f9d441d3ad40e6a636a7782c377d2abdbe4fa2440e2edcc2f4f10db8"
+checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.166"
+version = "1.0.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dd83d6dde2b6b2d466e14d9d1acce8816dedee94f735eac6395808b3483c6d6"
+checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2623,7 +2623,7 @@ dependencies = [
  "darling 0.20.3",
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -2751,9 +2751,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.23"
+version = "2.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59fb7d6d8281a51045d62b8eb3a7d1ce347b76f312af50cd3dc0af39c87c1737"
+checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2810,7 +2810,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
 ]
 
 [[package]]
@@ -3074,7 +3074,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
  "wasm-bindgen-shared",
 ]
 
@@ -3108,7 +3108,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.23",
+ "syn 2.0.29",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/geneit_backend/Cargo.toml b/geneit_backend/Cargo.toml
index 7ff596a..d219ec2 100644
--- a/geneit_backend/Cargo.toml
+++ b/geneit_backend/Cargo.toml
@@ -17,7 +17,7 @@ actix-multipart = "0.6.0"
 actix-remote-ip = "0.1.0"
 futures-util = "0.3.28"
 diesel = { version = "2.0.4", features = ["postgres"] }
-serde = { version = "1.0.163", features = ["derive"] }
+serde = { version = "1.0.188", features = ["derive"] }
 serde_json = "1.0.96"
 mailchecker = "5.0.9"
 redis = "0.23.2"