diff --git a/CHANGELOG.md b/CHANGELOG.md
index c702a54eb8..fb0155d372 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ More expansive patch notes and explanations may be found in the specific [pathfi
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [0.21.0] - 2025-09-25
 
 ### Fixed
 
diff --git a/Cargo.lock b/Cargo.lock
index bb79cf4dc1..b0f33d284b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5189,7 +5189,7 @@ dependencies = [
 
 [[package]]
 name = "feeder-gateway"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "clap",
@@ -5475,7 +5475,7 @@ checksum = "42012b0f064e01aa58b545fe3727f90f7dd4020f4a3ea735b50344965f5a57e9"
 
 [[package]]
 name = "gateway-test-utils"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "reqwest",
  "serde_json",
@@ -8270,7 +8270,7 @@ checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
 [[package]]
 name = "p2p"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -8308,7 +8308,7 @@ dependencies = [
 
 [[package]]
 name = "p2p_proto"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "fake",
  "libp2p-identity",
@@ -8327,7 +8327,7 @@ dependencies = [
 
 [[package]]
 name = "p2p_proto_derive"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -8336,7 +8336,7 @@ dependencies = [
 
 [[package]]
 name = "p2p_stream"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -8456,7 +8456,7 @@ checksum = "17359afc20d7ab31fdb42bb844c8b3bb1dabd7dcf7e68428492da7f16966fcef"
 
 [[package]]
 name = "pathfinder"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -8529,7 +8529,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-block-hashes"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "pathfinder-common",
  "pathfinder-crypto",
@@ -8537,7 +8537,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-class-hash"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "fake",
@@ -8556,7 +8556,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-common"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "bitvec",
@@ -8581,7 +8581,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-compiler"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "cairo-lang-starknet 1.0.0-alpha.6",
@@ -8601,7 +8601,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-consensus"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "base64 0.22.1",
@@ -8623,7 +8623,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-crypto"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "ark-ff 0.5.0",
  "assert_matches",
@@ -8640,7 +8640,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-ethereum"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "alloy",
  "anyhow",
@@ -8660,7 +8660,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-executor"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "blockifier",
@@ -8684,7 +8684,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-merkle-tree"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "bitvec",
@@ -8700,7 +8700,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-retry"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "tokio",
  "tokio-retry",
@@ -8708,7 +8708,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-rpc"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -8769,7 +8769,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-serde"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "num-bigint 0.4.6",
@@ -8784,7 +8784,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-storage"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "base64 0.22.1",
@@ -8845,7 +8845,7 @@ dependencies = [
 
 [[package]]
 name = "pathfinder-version"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "vergen",
 ]
@@ -10786,7 +10786,7 @@ dependencies = [
 
 [[package]]
 name = "starknet-gateway-client"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "assert_matches",
@@ -10820,7 +10820,7 @@ dependencies = [
 
 [[package]]
 name = "starknet-gateway-test-fixtures"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "pathfinder-common",
  "pathfinder-crypto",
@@ -10828,7 +10828,7 @@ dependencies = [
 
 [[package]]
 name = "starknet-gateway-types"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "fake",
@@ -11972,7 +11972,7 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "util"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "num-traits",
@@ -12012,7 +12012,7 @@ dependencies = [
 
 [[package]]
 name = "validator-fetcher"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "anyhow",
  "pathfinder-common",
diff --git a/Cargo.toml b/Cargo.toml
index 9dd148996a..12adb579ff 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ exclude = [
 resolver = "2"
 
 [workspace.package]
-version = "0.20.3"
+version = "0.21.0"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 rust-version = "1.83"
diff --git a/crates/class-hash/Cargo.toml b/crates/class-hash/Cargo.toml
index 80617f6237..1fd2d8cd85 100644
--- a/crates/class-hash/Cargo.toml
+++ b/crates/class-hash/Cargo.toml
@@ -17,8 +17,8 @@ categories = [
 
 [dependencies]
 anyhow = { workspace = true }
-pathfinder-common = { version = "0.20.3", path = "../common" }
-pathfinder-crypto = { version = "0.20.3", path = "../crypto" }
+pathfinder-common = { version = "0.21.0", path = "../common" }
+pathfinder-crypto = { version = "0.21.0", path = "../crypto" }
 primitive-types = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true, features = [
diff --git a/crates/common/Cargo.toml b/crates/common/Cargo.toml
index 42d9e4179e..976fcbf232 100644
--- a/crates/common/Cargo.toml
+++ b/crates/common/Cargo.toml
@@ -27,7 +27,7 @@ metrics = { workspace = true }
 num-bigint = { workspace = true }
 num-traits = "0.2"
 paste = { workspace = true }
-pathfinder-crypto = { version = "0.20.3", path = "../crypto" }
+pathfinder-crypto = { version = "0.21.0", path = "../crypto" }
 pathfinder-tagged = { version = "0.1.0", path = "../tagged" }
 pathfinder-tagged-debug-derive = { version = "0.1.0", path = "../tagged-debug-derive" }
 primitive-types = { workspace = true, features = ["serde"] }
diff --git a/crates/consensus/Cargo.toml b/crates/consensus/Cargo.toml
index 02b83d99c1..e75b68b998 100644
--- a/crates/consensus/Cargo.toml
+++ b/crates/consensus/Cargo.toml
@@ -18,8 +18,8 @@ malachite-consensus = { package = "informalsystems-malachitebft-core-consensus",
 malachite-metrics = { package = "informalsystems-malachitebft-metrics", version = "0.5" }
 malachite-signing-ed25519 = { package = "informalsystems-malachitebft-signing-ed25519", version = "0.5", features = ["serde"] }
 malachite-types = { package = "informalsystems-malachitebft-core-types", version = "0.5" }
-pathfinder-common = { version = "0.20.3", path = "../common" }
-pathfinder-crypto = { version = "0.20.3", path = "../crypto" }
+pathfinder-common = { version = "0.21.0", path = "../common" }
+pathfinder-crypto = { version = "0.21.0", path = "../crypto" }
 rand = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
diff --git a/crates/load-test/Cargo.lock b/crates/load-test/Cargo.lock
index 3792400fae..fa8e30a26e 100644
--- a/crates/load-test/Cargo.lock
+++ b/crates/load-test/Cargo.lock
@@ -1002,7 +1002,7 @@ checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
 
 [[package]]
 name = "pathfinder-crypto"
-version = "0.20.3"
+version = "0.21.0"
 dependencies = [
  "bitvec",
  "fake",
diff --git a/crates/serde/Cargo.toml b/crates/serde/Cargo.toml
index 96791791be..c431b78a35 100644
--- a/crates/serde/Cargo.toml
+++ b/crates/serde/Cargo.toml
@@ -18,8 +18,8 @@ categories = [
 [dependencies]
 anyhow = { workspace = true }
 num-bigint = { workspace = true }
-pathfinder-common = { version = "0.20.3", path = "../common" }
-pathfinder-crypto = { version = "0.20.3", path = "../crypto" }
+pathfinder-common = { version = "0.21.0", path = "../common" }
+pathfinder-crypto = { version = "0.21.0", path = "../crypto" }
 primitive-types = { workspace = true, features = ["serde"] }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }