diff --git a/Cargo.lock b/Cargo.lock
index d431f38045..31808460b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -941,6 +941,51 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum"
+version = "0.6.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags 1.3.2",
+ "bytes",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "hyper 0.14.28",
+ "itoa 1.0.11",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite 0.2.14",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "backtrace"
 version = "0.3.71"
@@ -2707,9 +2752,9 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65e3984a414cce451bd6fa931298c2b384924ddc1b6201adec3b0c0c148dabfa"
 dependencies = [
- "prost",
+ "prost 0.9.0",
  "prost-types",
- "tonic",
+ "tonic 0.6.2",
 ]
 
 [[package]]
@@ -3790,6 +3835,12 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2532096657941c2fea9c289d370a250971c689d4f143798ff67113ec042024a5"
 
+[[package]]
+name = "matchit"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+
 [[package]]
 name = "matrixmultiply"
 version = "0.3.8"
@@ -4569,6 +4620,15 @@ dependencies = [
  "prost-derive",
 ]
 
+[[package]]
+name = "prost"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0f5d036824e4761737860779c906171497f6d55681139d8312388f8fe398922"
+dependencies = [
+ "bytes",
+]
+
 [[package]]
 name = "prost-build"
 version = "0.9.0"
@@ -4582,7 +4642,7 @@ dependencies = [
  "log",
  "multimap",
  "petgraph",
- "prost",
+ "prost 0.9.0",
  "prost-types",
  "regex",
  "tempfile",
@@ -4609,7 +4669,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "534b7a0e836e3c482d2693070f982e39e7611da9695d4d1f5a4b186b51faef0a"
 dependencies = [
  "bytes",
- "prost",
+ "prost 0.9.0",
 ]
 
 [[package]]
@@ -5158,19 +5218,6 @@ dependencies = [
  "webpki 0.21.4",
 ]
 
-[[package]]
-name = "rustls"
-version = "0.19.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35edb675feee39aec9c99fa5ff985081995a06d594114ae14cbe797ad7b7a6d7"
-dependencies = [
- "base64 0.13.1",
- "log",
- "ring 0.16.20",
- "sct 0.6.1",
- "webpki 0.21.4",
-]
-
 [[package]]
 name = "rustls"
 version = "0.20.9"
@@ -6588,17 +6635,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "tokio-rustls"
-version = "0.22.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc6844de72e57df1980054b38be3a9f4702aba4858be64dd700181a8a6d0e1b6"
-dependencies = [
- "rustls 0.19.1",
- "tokio",
- "webpki 0.21.4",
-]
-
 [[package]]
 name = "tokio-rustls"
 version = "0.23.4"
@@ -6728,10 +6764,9 @@ dependencies = [
  "hyper-timeout",
  "percent-encoding",
  "pin-project",
- "prost",
+ "prost 0.9.0",
  "prost-derive",
  "tokio",
- "tokio-rustls 0.22.0",
  "tokio-stream",
  "tokio-util 0.6.10",
  "tower",
@@ -6741,6 +6776,36 @@ dependencies = [
  "tracing-futures",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76c4eb7a4e9ef9d4763600161f12f5070b92a578e1b634db88a6887844c91a13"
+dependencies = [
+ "async-stream",
+ "async-trait",
+ "axum",
+ "base64 0.21.7",
+ "bytes",
+ "h2 0.3.26",
+ "http 0.2.12",
+ "http-body 0.4.6",
+ "hyper 0.14.28",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost 0.12.4",
+ "rustls-pemfile 2.1.2",
+ "rustls-pki-types",
+ "tokio",
+ "tokio-rustls 0.25.0",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tonic-build"
 version = "0.6.2"
@@ -7095,7 +7160,7 @@ dependencies = [
  "hyper 0.14.28",
  "hyper-rustls 0.24.2",
  "log",
- "prost",
+ "prost 0.9.0",
  "prost-types",
  "serde",
  "simd-json",
@@ -7105,7 +7170,7 @@ dependencies = [
  "testcontainers",
  "thiserror",
  "tokio",
- "tonic",
+ "tonic 0.11.0",
  "tremor-codec",
  "tremor-common",
  "tremor-config",
@@ -7148,7 +7213,7 @@ dependencies = [
  "test-case",
  "thiserror",
  "tokio",
- "tonic",
+ "tonic 0.11.0",
  "tremor-common",
  "tremor-config",
  "tremor-connectors",
@@ -7222,8 +7287,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c6cfab2469df1b6c86199844e008f549cc6b19ca59ef0b43b68b8a62f21d63b"
 dependencies = [
  "async-channel 1.9.0",
- "prost",
- "tonic",
+ "prost 0.9.0",
+ "tonic 0.6.2",
  "tonic-build",
 ]
 
diff --git a/tremor-connectors-gcp/Cargo.toml b/tremor-connectors-gcp/Cargo.toml
index 7cbb60596f..7b8a85c830 100644
--- a/tremor-connectors-gcp/Cargo.toml
+++ b/tremor-connectors-gcp/Cargo.toml
@@ -36,7 +36,7 @@ gouth = { version = "0.2", default-features = true }
 prost = { version = "0.9.0", default-features = true }
 prost-types = { version = "0.9.0", default-features = true }
 tokio = { version = "1.34", default-features = true }
-tonic = { version = "0.6.1", default-features = true, features = [
+tonic = { version = "0.11.0", default-features = true, features = [
     "transport",
     "tls",
 ] }
diff --git a/tremor-connectors-otel/Cargo.toml b/tremor-connectors-otel/Cargo.toml
index d2aec50317..0f7f120b4b 100644
--- a/tremor-connectors-otel/Cargo.toml
+++ b/tremor-connectors-otel/Cargo.toml
@@ -29,7 +29,7 @@ tokio = { version = "1.34", default-features = false }
 simd-json = { version = "0.13", default-features = true }
 
 # opentelemetry
-tonic = { version = "0.6.1", default-features = false, features = [
+tonic = { version = "0.11.0", default-features = false, features = [
     "transport",
     "tls",
 ] }