diff --git a/divviup/rust/Cargo.lock b/divviup/rust/Cargo.lock
index f0fb4c4..e26a284 100644
--- a/divviup/rust/Cargo.lock
+++ b/divviup/rust/Cargo.lock
@@ -208,9 +208,9 @@ checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
 [[package]]
 name = "base64"
-version = "0.22.0"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "bitflags"
@@ -1058,9 +1058,9 @@ checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
 [[package]]
 name = "janus_core"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a1ccc1f0f1b79b4ee9732a0be2c75044c8c036a7ce65d8e540e7c0a4862465e"
+checksum = "d095f13dd293b3f7ecddb4fc3eeb2dad316758d31481dcf89168ad713f9aea00"
 dependencies = [
  "anyhow",
  "backoff",
@@ -1091,9 +1091,9 @@ dependencies = [
 
 [[package]]
 name = "janus_messages"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31c6c35fffd82f3c0d43560d2e635ed5e34353c2713d33dee3948e195c5e2fb3"
+checksum = "304ed5ad18d64302e818f0cc77e5d0358acce486c3ac950ac14a0148f5903263"
 dependencies = [
  "anyhow",
  "base64",
@@ -1687,18 +1687,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.199"
+version = "1.0.201"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c9f6e76df036c77cd94996771fb40db98187f096dd0b9af39c6c6e452ba966a"
+checksum = "780f1cebed1629e4753a1a38a3c72d30b97ec044f0aef68cb26650a3c5cf363c"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.199"
+version = "1.0.201"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11bd257a6541e141e42ca6d24ae26f7714887b47e89aa739099104c7e4d3b7fc"
+checksum = "c5e405930b9796f1c00bee880d03fc7e0bb4b9a11afc776885ffe84320da2865"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/divviup/rust/Cargo.toml b/divviup/rust/Cargo.toml
index b9c427b..17f6498 100644
--- a/divviup/rust/Cargo.toml
+++ b/divviup/rust/Cargo.toml
@@ -8,7 +8,7 @@ publish = false
 crate_type = ["cdylib"]
 
 [dependencies]
-janus_core = "0.7.7"
+janus_core = "0.7.8"
 janus_messages = "0.7.2"
 jni = "0.21.1"
 prio = "0.16.3"