diff --git a/Cargo.lock b/Cargo.lock
index ea7ca296..75a83d44 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1953,6 +1953,18 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
+[[package]]
+name = "openssl-sys"
+version = "0.9.101"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dda2b0f344e78efc2facf7d195d098df0dd72151b26ab98da807afc26c198dff"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "ordered-float"
 version = "2.10.1"
@@ -2349,6 +2361,7 @@ dependencies = [
  "libc",
  "libz-sys",
  "num_enum",
+ "openssl-sys",
  "pkg-config",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index e6d350e8..78625989 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ rand_distr = "0.4.3"
 rand_xoshiro = "0.6.0"
 ratelimit = "0.9.0"
 redis = { version = "0.23.3", features = ["tokio-comp"] }
-rdkafka = { version = "0.34.0", features = ["cmake-build"] }
+rdkafka = { version = "0.34.0", features = ["cmake-build", "ssl"] }
 ringlog = "0.5.0"
 serde = { version = "1.0.185", features = ["derive"] }
 session = { git = "https://github.com/pelikan-io/pelikan" }