diff --git a/services/tunnelbroker/rust-notifications/Cargo.lock b/services/tunnelbroker/rust-notifications/Cargo.lock
--- a/services/tunnelbroker/rust-notifications/Cargo.lock
+++ b/services/tunnelbroker/rust-notifications/Cargo.lock
@@ -655,6 +655,15 @@
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
+[[package]]
+name = "openssl-src"
+version = "111.22.0+1.1.1q"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f31f0d509d1c1ae9cada2f9539ff8f37933831fd5098879e482aa687d659853"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "openssl-sys"
 version = "0.9.75"
@@ -664,6 +673,7 @@
  "autocfg",
  "cc",
  "libc",
+ "openssl-src",
  "pkg-config",
  "vcpkg",
 ]
@@ -791,6 +801,7 @@
  "fcm",
  "lazy_static",
  "log",
+ "openssl",
  "tokio",
  "tracing",
 ]
diff --git a/services/tunnelbroker/rust-notifications/Cargo.toml b/services/tunnelbroker/rust-notifications/Cargo.toml
--- a/services/tunnelbroker/rust-notifications/Cargo.toml
+++ b/services/tunnelbroker/rust-notifications/Cargo.toml
@@ -15,6 +15,7 @@
 log = "0.4"
 fcm = "0.9"
 anyhow = "1.0"
+openssl = { version = "0.10", features = ["vendored"] }
 
 [build-dependencies]
 cxx-build = "1.0"