diff --git a/CHANGELOG.md b/CHANGELOG.md
index e8044e27..03456cfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,17 @@ The minor version will be incremented upon a breaking change and the patch versi
 
 ### Breaking
 
+## 2023-12-04
+
+- yellowstone-grpc-client-1.12.0+solana.1.16.21
+- yellowstone-grpc-geyser-1.11.1+solana.1.16.21
+- yellowstone-grpc-proto-1.11.0+solana.1.16.21
+- yellowstone-grpc-tools-1.0.0-rc.7+solana.1.16.21
+
+### Features
+
+- solana: update to 1.16.21 ([#253](https://github.com/rpcpool/yellowstone-grpc/pull/253))
+
 ## 2023-12-01
 
 - yellowstone-grpc-client-1.12.0+solana.1.16.20
diff --git a/Cargo.lock b/Cargo.lock
index 43fa986f..1d1ee253 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3500,8 +3500,8 @@ dependencies = [
 
 [[package]]
 name = "solana-account-decoder"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "Inflector",
  "base64 0.21.4",
@@ -3524,8 +3524,8 @@ dependencies = [
 
 [[package]]
 name = "solana-address-lookup-table-program"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "bincode",
  "bytemuck",
@@ -3544,8 +3544,8 @@ dependencies = [
 
 [[package]]
 name = "solana-config-program"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "bincode",
  "chrono",
@@ -3557,8 +3557,8 @@ dependencies = [
 
 [[package]]
 name = "solana-frozen-abi"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "ahash 0.8.3",
  "blake3",
@@ -3589,8 +3589,8 @@ dependencies = [
 
 [[package]]
 name = "solana-frozen-abi-macro"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3600,8 +3600,8 @@ dependencies = [
 
 [[package]]
 name = "solana-geyser-plugin-interface"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "log",
  "solana-sdk",
@@ -3611,8 +3611,8 @@ dependencies = [
 
 [[package]]
 name = "solana-logger"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "env_logger 0.9.3",
  "lazy_static",
@@ -3621,8 +3621,8 @@ dependencies = [
 
 [[package]]
 name = "solana-measure"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "log",
  "solana-sdk",
@@ -3630,8 +3630,8 @@ dependencies = [
 
 [[package]]
 name = "solana-metrics"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "crossbeam-channel",
  "gethostname",
@@ -3643,8 +3643,8 @@ dependencies = [
 
 [[package]]
 name = "solana-program"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "ark-bn254",
  "ark-ec",
@@ -3697,8 +3697,8 @@ dependencies = [
 
 [[package]]
 name = "solana-program-runtime"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "base64 0.21.4",
  "bincode",
@@ -3724,8 +3724,8 @@ dependencies = [
 
 [[package]]
 name = "solana-sdk"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "assert_matches",
  "base64 0.21.4",
@@ -3776,8 +3776,8 @@ dependencies = [
 
 [[package]]
 name = "solana-sdk-macro"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "bs58",
  "proc-macro2",
@@ -3788,8 +3788,8 @@ dependencies = [
 
 [[package]]
 name = "solana-transaction-status"
-version = "1.16.20"
-source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.20-geyser-block-v3#d31f34b08ed480bb13bd11b2b622e59c852c9790"
+version = "1.16.21"
+source = "git+https://github.com/rpcpool/solana-public.git?tag=v1.16.21-geyser-block-v3#751ab236d651abf1b93411e37f847c0562c5fc86"
 dependencies = [
  "Inflector",
  "base64 0.21.4",
@@ -3813,9 +3813,9 @@ dependencies = [
 
 [[package]]
 name = "solana-zk-token-sdk"
-version = "1.16.20"
+version = "1.16.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0c83eec033c30c95938905374292fb8a3559dd3dfb36d715624e5f8f41b078e"
+checksum = "d699e56d6581a2ea919ef355706df129b76bc9519518758353a03e4b5814f334"
 dependencies = [
  "aes-gcm-siv",
  "base64 0.21.4",
@@ -4949,7 +4949,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-client"
-version = "1.12.0+solana.1.16.20"
+version = "1.12.0+solana.1.16.21"
 dependencies = [
  "bytes",
  "futures",
@@ -4963,7 +4963,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-client-simple"
-version = "1.11.0+solana.1.16.20"
+version = "1.11.0+solana.1.16.21"
 dependencies = [
  "anyhow",
  "backoff",
@@ -4986,7 +4986,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-geyser"
-version = "1.11.1+solana.1.16.20"
+version = "1.11.1+solana.1.16.21"
 dependencies = [
  "anyhow",
  "base64 0.21.4",
@@ -5018,7 +5018,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-proto"
-version = "1.11.0+solana.1.16.20"
+version = "1.11.0+solana.1.16.21"
 dependencies = [
  "anyhow",
  "bincode",
@@ -5033,7 +5033,7 @@ dependencies = [
 
 [[package]]
 name = "yellowstone-grpc-tools"
-version = "1.0.0-rc.7+solana.1.16.20"
+version = "1.0.0-rc.7+solana.1.16.21"
 dependencies = [
  "anyhow",
  "async-trait",
diff --git a/Cargo.toml b/Cargo.toml
index 26a4b666..290d5659 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,11 +1,11 @@
 [workspace]
 resolver = "2"
 members = [
-    "examples/rust", # 1.11.0+solana.1.16.20
-    "yellowstone-grpc-client", # 1.12.0+solana.1.16.20
-    "yellowstone-grpc-geyser", # 1.11.1+solana.1.16.20
-    "yellowstone-grpc-proto", # 1.11.0+solana.1.16.20
-    "yellowstone-grpc-tools", # 1.0.0-rc.7+solana.1.16.20
+    "examples/rust", # 1.11.0+solana.1.16.21
+    "yellowstone-grpc-client", # 1.12.0+solana.1.16.21
+    "yellowstone-grpc-geyser", # 1.11.1+solana.1.16.21
+    "yellowstone-grpc-proto", # 1.11.0+solana.1.16.21
+    "yellowstone-grpc-tools", # 1.0.0-rc.7+solana.1.16.21
 ]
 
 [workspace.package]
@@ -50,11 +50,11 @@ serde = "1.0.145"
 serde_json = "1.0.86"
 serde_yaml = "0.9.25"
 sha2 = "0.10.7"
-solana-account-decoder = "=1.16.20"
-solana-geyser-plugin-interface = "=1.16.20"
-solana-logger = "=1.16.20"
-solana-sdk = "=1.16.20"
-solana-transaction-status = "=1.16.20"
+solana-account-decoder = "=1.16.21"
+solana-geyser-plugin-interface = "=1.16.21"
+solana-logger = "=1.16.21"
+solana-sdk = "=1.16.21"
+solana-transaction-status = "=1.16.21"
 spl-token-2022 = "0.9.0"
 thiserror = "1.0"
 tokio = "1.21.2"
@@ -65,8 +65,8 @@ tonic-health = "0.10.2"
 tracing = "0.1.37"
 tracing-subscriber = "0.3.17"
 vergen = "8.2.1"
-yellowstone-grpc-client = { path = "yellowstone-grpc-client", version = "=1.12.0+solana.1.16.20" }
-yellowstone-grpc-proto = { path = "yellowstone-grpc-proto", version = "=1.11.0+solana.1.16.20" }
+yellowstone-grpc-client = { path = "yellowstone-grpc-client", version = "=1.12.0+solana.1.16.21" }
+yellowstone-grpc-proto = { path = "yellowstone-grpc-proto", version = "=1.11.0+solana.1.16.21" }
 
 [profile.release]
 debug = true
@@ -74,9 +74,9 @@ lto = true
 codegen-units = 1
 
 [patch.crates-io]
-solana-account-decoder = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.20-geyser-block-v3" }
-solana-geyser-plugin-interface = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.20-geyser-block-v3" }
-solana-logger = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.20-geyser-block-v3" }
-solana-program = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.20-geyser-block-v3" }
-solana-sdk = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.20-geyser-block-v3" }
-solana-transaction-status = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.20-geyser-block-v3" }
+solana-account-decoder = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.21-geyser-block-v3" }
+solana-geyser-plugin-interface = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.21-geyser-block-v3" }
+solana-logger = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.21-geyser-block-v3" }
+solana-program = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.21-geyser-block-v3" }
+solana-sdk = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.21-geyser-block-v3" }
+solana-transaction-status = { git = "https://github.com/rpcpool/solana-public.git", tag = "v1.16.21-geyser-block-v3" }
diff --git a/examples/rust/Cargo.toml b/examples/rust/Cargo.toml
index bc3ee1f8..6d5a1842 100644
--- a/examples/rust/Cargo.toml
+++ b/examples/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-client-simple"
-version = "1.11.0+solana.1.16.20"
+version = "1.11.0+solana.1.16.21"
 authors = { workspace = true }
 edition = { workspace = true }
 homepage = { workspace = true }
diff --git a/yellowstone-grpc-client/Cargo.toml b/yellowstone-grpc-client/Cargo.toml
index 785e24a1..24b40148 100644
--- a/yellowstone-grpc-client/Cargo.toml
+++ b/yellowstone-grpc-client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-client"
-version = "1.12.0+solana.1.16.20"
+version = "1.12.0+solana.1.16.21"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "Yellowstone gRPC Geyser Simple Client"
diff --git a/yellowstone-grpc-geyser/Cargo.toml b/yellowstone-grpc-geyser/Cargo.toml
index d8918d66..4e5af0f0 100644
--- a/yellowstone-grpc-geyser/Cargo.toml
+++ b/yellowstone-grpc-geyser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-geyser"
-version = "1.11.1+solana.1.16.20"
+version = "1.11.1+solana.1.16.21"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "Yellowstone gRPC Geyser Plugin"
diff --git a/yellowstone-grpc-proto/Cargo.toml b/yellowstone-grpc-proto/Cargo.toml
index 11f3696f..10cfaac1 100644
--- a/yellowstone-grpc-proto/Cargo.toml
+++ b/yellowstone-grpc-proto/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-proto"
-version = "1.11.0+solana.1.16.20"
+version = "1.11.0+solana.1.16.21"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "Yellowstone gRPC Geyser Protobuf Definitions"
diff --git a/yellowstone-grpc-tools/Cargo.toml b/yellowstone-grpc-tools/Cargo.toml
index 55a29fce..ac4eff03 100644
--- a/yellowstone-grpc-tools/Cargo.toml
+++ b/yellowstone-grpc-tools/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "yellowstone-grpc-tools"
-version = "1.0.0-rc.7+solana.1.16.20"
+version = "1.0.0-rc.7+solana.1.16.21"
 authors = { workspace = true }
 edition = { workspace = true }
 description = "Yellowstone gRPC Tools"