diff --git a/Cargo.lock b/Cargo.lock
index 1110a18f6f..715bf25980 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3389,9 +3389,9 @@ dependencies = [
  "flate2",
  "hex",
  "nix 0.29.0",
- "prost",
- "prost-build",
- "prost-reflect",
+ "prost 0.13.5",
+ "prost-build 0.13.5",
+ "prost-reflect 0.15.3",
  "prost-reflect-build",
  "rand 0.9.1",
  "rmp-serde",
@@ -7536,7 +7536,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2796faa41db3ec313a31f7624d9286acf277b52de526150b7e69f3debf891ee5"
 dependencies = [
  "bytes",
- "prost-derive",
+ "prost-derive 0.13.5",
+]
+
+[[package]]
+name = "prost"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7231bd9b3d3d33c86b58adbac74b5ec0ad9f496b19d22801d773636feaa95f3d"
+dependencies = [
+ "bytes",
+ "prost-derive 0.14.1",
 ]
 
 [[package]]
@@ -7552,8 +7562,28 @@ dependencies = [
  "once_cell",
  "petgraph 0.7.1",
  "prettyplease",
- "prost",
- "prost-types",
+ "prost 0.13.5",
+ "prost-types 0.13.5",
+ "regex",
+ "syn 2.0.104",
+ "tempfile",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac6c3320f9abac597dcbc668774ef006702672474aad53c6d596b62e487b40b1"
+dependencies = [
+ "heck 0.5.0",
+ "itertools 0.14.0",
+ "log",
+ "multimap",
+ "once_cell",
+ "petgraph 0.7.1",
+ "prettyplease",
+ "prost 0.14.1",
+ "prost-types 0.14.1",
  "regex",
  "syn 2.0.104",
  "tempfile",
@@ -7572,6 +7602,19 @@ dependencies = [
  "syn 2.0.104",
 ]
 
+[[package]]
+name = "prost-derive"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9120690fafc389a67ba3803df527d0ec9cbbc9cc45e4cc20b332996dfb672425"
+dependencies = [
+ "anyhow",
+ "itertools 0.14.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "prost-reflect"
 version = "0.15.3"
@@ -7579,21 +7622,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37587d5a8a1b3dc9863403d084fc2254b91ab75a702207098837950767e2260b"
 dependencies = [
  "base64 0.22.1",
- "prost",
- "prost-reflect-derive",
- "prost-types",
+ "prost 0.13.5",
+ "prost-reflect-derive 0.15.1",
+ "prost-types 0.13.5",
  "serde",
  "serde-value",
 ]
 
+[[package]]
+name = "prost-reflect"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e6b545c556471033fc1099868fca468bff8cf034f7bb9153b445f24d00aa28d"
+dependencies = [
+ "prost 0.14.1",
+ "prost-reflect-derive 0.16.0",
+ "prost-types 0.14.1",
+]
+
 [[package]]
 name = "prost-reflect-build"
-version = "0.15.2"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad8db7191445b1dbee19df4f6b6294e5123aef52620b344a630bb845d302622a"
+checksum = "8214ae2c30bbac390db0134d08300e770ef89b6d4e5abf855e8d300eded87e28"
 dependencies = [
- "prost-build",
- "prost-reflect",
+ "prost-build 0.14.1",
+ "prost-reflect 0.16.0",
 ]
 
 [[package]]
@@ -7607,13 +7661,33 @@ dependencies = [
  "syn 2.0.104",
 ]
 
+[[package]]
+name = "prost-reflect-derive"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b6d90e29fa6c0d13c2c19ba5e4b3fb0efbf5975d27bcf4e260b7b15455bcabe"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "prost-types"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "52c2c1bf36ddb1a1c396b3601a3cec27c2462e45f07c386894ec3ccf5332bd16"
 dependencies = [
- "prost",
+ "prost 0.13.5",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9b4db3d6da204ed77bb26ba83b6122a73aeb2e87e25fbf7ad2e84c4ccbf8f72"
+dependencies = [
+ "prost 0.14.1",
 ]
 
 [[package]]
diff --git a/crates/fig_proto/Cargo.toml b/crates/fig_proto/Cargo.toml
index 1607f49b8e..59d5901c8e 100644
--- a/crates/fig_proto/Cargo.toml
+++ b/crates/fig_proto/Cargo.toml
@@ -30,5 +30,5 @@ nix.workspace = true
 
 [build-dependencies]
 prost-build = "0.13.5"
-prost-reflect-build = "0.15.1"
+prost-reflect-build = "0.16.0"
 tempfile.workspace = true