diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index de3839ed..e1f26dc7 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -24,7 +24,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
 dependencies = [
  "cfg-if",
- "getrandom",
+ "getrandom 0.2.15",
  "once_cell",
  "serde",
  "version_check",
@@ -436,9 +436,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.38"
+version = "0.4.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a21f936df1771bf62b77f047b726c4625ff2e8aa607c01ec06e5a05bd8463401"
+checksum = "1a7964611d71df112cb1730f2ee67324fcf4d0fc6606acbbe9bfe06df124637c"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
@@ -446,7 +446,7 @@ dependencies = [
  "num-traits",
  "serde",
  "wasm-bindgen",
- "windows-targets 0.52.6",
+ "windows-link",
 ]
 
 [[package]]
@@ -932,10 +932,22 @@ dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73fea8450eea4bac3940448fb7ae50d91f034f941199fcd9d909a5a07aa455f0"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasi 0.14.2+wasi-0.2.4",
+]
+
 [[package]]
 name = "gimli"
 version = "0.31.1"
@@ -1354,7 +1366,7 @@ dependencies = [
  "bytecount",
  "fancy-regex",
  "fraction",
- "getrandom",
+ "getrandom 0.2.15",
  "iso8601",
  "itoa",
  "memchr",
@@ -1505,7 +1517,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2886843bf800fba2e3377cff24abf6379b4c4d5c6681eaf9ea5b0d15090450bd"
 dependencies = [
  "libc",
- "wasi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "windows-sys 0.52.0",
 ]
 
@@ -1826,6 +1838,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -1853,7 +1871,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
 ]
 
 [[package]]
@@ -2950,11 +2968,11 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.11.0"
+version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
+checksum = "458f7a779bf54acc9f347480ac654f68407d3aab21269a6e3c9f922acd9e2da9"
 dependencies = [
- "getrandom",
+ "getrandom 0.3.2",
  "serde",
 ]
 
@@ -2992,6 +3010,15 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasi"
+version = "0.14.2+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9683f9a5a998d873c0d21fcbe3c083009670149a8fab228644b8bd36b2c48cb3"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "wasite"
 version = "0.1.0"
@@ -3150,6 +3177,12 @@ dependencies = [
  "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "windows-link"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38"
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -3298,6 +3331,15 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.39.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f42320e61fe2cfd34354ecb597f86f413484a798ba44a8ca1165c58d42da6c1"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "write16"
 version = "1.0.0"
diff --git a/backend/Dockerfile b/backend/Dockerfile
index ac0cee79..ced27dfb 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -13,7 +13,7 @@ RUN sqlx migrate run --source sync_server/src/database/migrations --database-url
 RUN cargo build --package sync_server --release --target x86_64-unknown-linux-musl
 
 # Runtime image
-FROM alpine:3.21.0
+FROM alpine:3.21.3
 
 LABEL org.opencontainers.image.authors="andras@schmelczer.dev"
 
diff --git a/backend/sync_server/Cargo.toml b/backend/sync_server/Cargo.toml
index 9867dede..611f09a0 100644
--- a/backend/sync_server/Cargo.toml
+++ b/backend/sync_server/Cargo.toml
@@ -14,8 +14,8 @@ serde = { workspace = true }
 thiserror = { workspace = true }
 
 tokio = { version = "1.42.0", features = ["full"]}
-uuid = { version = "1.11.0", features = ["v4", "serde"] }
-log = "0.4.22"
+uuid = { version = "1.16.0", features = ["v4", "serde"] }
+log = { version = "0.4.22" }
 anyhow =  { version = "1.0.94", features = ["backtrace"] }
 axum = { version = "0.7.4", features = ["ws", "macros", "tracing", "multipart"]}
 axum-extra = { version = "0.9.6", features = ["typed-header"] }
@@ -25,7 +25,7 @@ tower-http = { version = "0.6.1", features = ["cors", "trace", "limit"] }
 tracing-subscriber = { version = "0.3.19", features = ["fmt", "env-filter"]}
 serde_yaml = "0.9.34"
 sqlx = { version = "0.8.2", features = ["sqlite", "runtime-tokio", "uuid", "chrono"] }
-chrono = { version = "0.4.38", features = ["serde"] }
+chrono = { version = "0.4.40", features = ["serde"] }
 aide = { version = "0.13.4", features = ["axum", "axum-ws", "scalar", "axum-headers"] }
 schemars = { version = "0.8.21", features = ["chrono", "uuid1", "bytes"] }
 tracing = "0.1.41"