diff --git a/Cargo.lock b/Cargo.lock
index 74144ad3..942b07cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2729,6 +2729,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2819ce041d2ee131036f4fc9d6ae7ae125a3a40e97ba64d04fe799ad9dabbb44"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "number_prefix"
 version = "0.4.0"
@@ -4470,6 +4479,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea9e1b3cf1243ae005d9e74085d4d542f3125458f3a81af210d901dcd7411efd"
 dependencies = [
  "itoa",
+ "libc",
+ "num_threads",
  "serde",
  "time-core",
  "time-macros",
@@ -5114,9 +5125,9 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "vergen"
-version = "8.2.1"
+version = "8.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b3c89c2c7e50f33e4d35527e5bf9c11d6d132226dbbd1753f0fbe9f19ef88c6"
+checksum = "ce38fc503fa57441ac2539c3e723b5adf76601eb4f1ad24025c6660d27f355b7"
 dependencies = [
  "anyhow",
  "git2",
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index d104d449..202093da 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -208,7 +208,7 @@ proptest-derive = { version = "0.3.0", optional = true }
 console-subscriber = { version = "0.1.8", optional = true }
 
 [build-dependencies]
-vergen = { version = "8.2.1", default-features = false, features = ["cargo", "git", "git2", "rustc"] }
+vergen = { version = "8.2.3", default-features = false, features = ["cargo", "git", "git2", "rustc"] }
 
 # test feature lightwalletd-grpc-tests
 tonic-build = { version = "0.9.2", optional = true }