diff --git a/divviup/rust/Cargo.lock b/divviup/rust/Cargo.lock
index e10372f..564f545 100644
--- a/divviup/rust/Cargo.lock
+++ b/divviup/rust/Cargo.lock
@@ -1203,11 +1203,10 @@ dependencies = [
 
 [[package]]
 name = "num-bigint"
-version = "0.4.4"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+checksum = "c165a9ab64cf766f73521c0dd2cfdff64f488b8f0b3e621face3462d3db536d7"
 dependencies = [
- "autocfg",
  "num-integer",
  "num-traits",
  "rand",
@@ -1415,9 +1414,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "prio"
-version = "0.16.4"
+version = "0.16.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15a1767ea4a3f4fe2ee1af486339bc24585912436d47a7324f453a4767e1e238"
+checksum = "28d81f366140fb9dfdaf6f3be9b937bf598e5dbf8aafb9dbd182b1f3be196bc2"
 dependencies = [
  "aes",
  "bitvec",
diff --git a/divviup/rust/Cargo.toml b/divviup/rust/Cargo.toml
index 406fb5e..13b9321 100644
--- a/divviup/rust/Cargo.toml
+++ b/divviup/rust/Cargo.toml
@@ -11,6 +11,6 @@ crate_type = ["cdylib"]
 janus_core = "0.7.8"
 janus_messages = "0.7.2"
 jni = "0.21.1"
-prio = "0.16.4"
+prio = "0.16.5"
 rand = "0.8.5"
 thiserror = "1.0.60"