diff --git a/server/Cargo.lock b/server/Cargo.lock
index 60e3fea..eaffadb 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -1014,9 +1014,9 @@ checksum = "7655c9839580ee829dfacba1d1278c2b7883e50a277ff7541299489d6bdfdc45"
 
 [[package]]
 name = "itertools"
-version = "0.12.1"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
 dependencies = [
  "either",
 ]
@@ -1043,15 +1043,15 @@ dependencies = [
 
 [[package]]
 name = "jiff-tzdb"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf2cec2f5d266af45a071ece48b1fb89f3b00b2421ac3a5fe10285a6caaa60d3"
+checksum = "c1283705eb0a21404d2bfd6eef2a7593d240bc42a0bdb39db0ad6fa2ec026524"
 
 [[package]]
 name = "jiff-tzdb-platform"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a63c62e404e7b92979d2792352d885a7f8f83fd1d0d31eea582d77b2ceca697e"
+checksum = "875a5a69ac2bab1a891711cf5eccbec1ce0341ea805560dcd90b7a2e925132e8"
 dependencies = [
  "jiff-tzdb",
 ]
@@ -1101,9 +1101,9 @@ dependencies = [
 
 [[package]]
 name = "libsqlite3-sys"
-version = "0.31.0"
+version = "0.32.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad8935b44e7c13394a179a438e0cebba0fe08fe01b54f152e29a93b5cf993fd4"
+checksum = "fbb8270bb4060bd76c6e96f20c52d80620f1d82a3470885694e41e0f81ef6fe7"
 dependencies = [
  "cc",
  "pkg-config",
@@ -1322,6 +1322,7 @@ dependencies = [
  "serde",
  "serde_json",
  "smallvec",
+ "subtle",
  "tempfile",
  "tokio",
  "tokio-tungstenite",
@@ -1897,9 +1898,9 @@ dependencies = [
 
 [[package]]
 name = "rusqlite"
-version = "0.33.0"
+version = "0.34.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c6d5e5acb6f6129fe3f7ba0a7fc77bca1942cb568535e18e7bc40262baf3110"
+checksum = "37e34486da88d8e051c7c0e23c3f15fd806ea8546260aa2fec247e97242ec143"
 dependencies = [
  "bitflags",
  "fallible-iterator",
@@ -2155,9 +2156,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.96"
+version = "2.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5d0adab1ae378d7f53bdebc67a39f1f151407ef230f0ce2883572f5d8985c80"
+checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 174a359..b631e83 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -26,12 +26,12 @@ members = ["base", "db"]
 [workspace.dependencies]
 base64 = "0.22.0"
 h264-reader = "0.8.0"
-itertools = "0.12.0"
-jiff = "0.1.8"
+itertools = "0.14.0"
+jiff = "0.1.6"
 nix = "0.27.0"
 pretty-hex = "0.4.0"
 ring = "0.17.0"
-rusqlite = "0.33.0"
+rusqlite = "0.34.0"
 tracing = { version = "0.1" }
 tracing-core = "0.1.30"
 tracing-futures = { version = "0.2.5", features = ["futures-03", "std-future"] }
@@ -98,6 +98,7 @@ hyper-util = { version = "0.1.7", features = ["server-graceful", "tokio"] }
 http-body = "1.0.1"
 http-body-util = "0.1.2"
 pin-project = "1.1.10"
+subtle = "2.6.1"
 
 [target.'cfg(target_os = "linux")'.dependencies]
 libsystemd = "0.7.0"
diff --git a/server/src/web/mod.rs b/server/src/web/mod.rs
index f609295..62d20d2 100644
--- a/server/src/web/mod.rs
+++ b/server/src/web/mod.rs
@@ -84,7 +84,8 @@ fn serve_json<R: http_serve::AsRequest, T: serde::ser::Serialize>(
 fn csrf_matches(csrf: &str, session: auth::SessionHash) -> bool {
     let mut b64 = [0u8; 32];
     session.encode_base64(&mut b64);
-    ::ring::constant_time::verify_slices_are_equal(&b64[..], csrf.as_bytes()).is_ok()
+    use subtle::ConstantTimeEq as _;
+    b64.ct_eq(csrf.as_bytes()).into()
 }
 
 /// Extracts `s` cookie from the HTTP request headers. Does not authenticate.