diff --git a/Cargo.toml b/Cargo.toml
index 0513d2ef..7afeac05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,3 +23,42 @@ atrium-api = { version = "0.16.0", path = "atrium-api" }
 atrium-xrpc = { version = "0.8.0", path = "atrium-xrpc" }
 atrium-xrpc-client = { version = "0.2.0", path = "atrium-xrpc-client" }
 atrium-xrpc-server = { version = "0.1.0", path = "atrium-xrpc-server" }
+
+# async in traits
+# Can be removed once MSRV is at least 1.75.0.
+async-trait = "0.1.68"
+
+# DAG-CBOR codec and CAR format
+ciborium = "0.2.1"
+cid = "0.10.1"
+libipld-core = "0.16"
+rs-car = "0.4.1"
+serde_ipld_dagcbor = "0.3"
+
+# Serde
+serde = "1.0.160"
+serde_bytes = "0.11.9"
+serde_json = "1.0.96"
+serde_qs = "0.12"
+
+# Networking
+futures = { version = "0.3.28", default-features = false }
+http = "0.2.9"
+isahc = "1.7.2"
+reqwest = { version = "0.11.22", default-features = false }
+surf = { version = "2.3.2", default-features = false }
+tokio = { version = "1.33", default-features = false }
+tokio-tungstenite = "0.21"
+
+# Errors
+anyhow = "1.0.71"
+thiserror = "1"
+
+# CLI
+chrono = "0.4.24"
+clap = { version = "4.2.4", features = ["derive"] }
+dirs = "5.0.1"
+
+# Testing
+http-client = { version = "6.5.3", default-features = false }
+mockito = "1.2"
diff --git a/atrium-api/Cargo.toml b/atrium-api/Cargo.toml
index 247cc9f5..9e391e63 100644
--- a/atrium-api/Cargo.toml
+++ b/atrium-api/Cargo.toml
@@ -13,13 +13,13 @@ keywords.workspace = true
 
 [dependencies]
 atrium-xrpc.workspace = true
-async-trait = "0.1.68"
-http = "0.2.9"
-serde = { version = "1.0.160", features = ["derive"] }
-serde_bytes = "0.11.9"
-tokio = { version = "1.33.0", default-features = false, optional = true }
-cid = { version = "0.10.1", optional = true }
-libipld-core = { version = "0.16.0", optional = true }
+async-trait.workspace = true
+http.workspace = true
+serde = { workspace = true, features = ["derive"] }
+serde_bytes.workspace = true
+tokio = { workspace = true, optional = true }
+cid = { workspace = true, optional = true }
+libipld-core = { workspace = true, optional = true }
 
 [features]
 default = ["agent"]
@@ -28,9 +28,9 @@ dag-cbor = ["cid/serde-codec", "libipld-core/serde-codec"]
 
 [dev-dependencies]
 atrium-xrpc-client.workspace = true
-futures = "0.3.28"
-serde_json = "1.0.107"
-tokio = { version = "1.33.0", features = ["macros", "rt-multi-thread"] }
+futures.workspace = true
+serde_json.workspace = true
+tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
 serde_ipld_dagcbor = { git = "https://github.com/sugyan/serde_ipld_dagcbor.git", rev = "345b240" }
 
 [package.metadata.docs.rs]
diff --git a/atrium-cli/Cargo.toml b/atrium-cli/Cargo.toml
index bacb4fde..7f05ba85 100644
--- a/atrium-cli/Cargo.toml
+++ b/atrium-cli/Cargo.toml
@@ -6,12 +6,12 @@ edition.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-async-trait = "0.1.74"
+async-trait.workspace = true
 atrium-api.workspace = true
 atrium-xrpc-client.workspace = true
-chrono = "0.4.24"
-clap = { version = "4.4.8", features = ["derive"] }
-dirs = "5.0.1"
-serde = "1.0.160"
-serde_json = "1.0"
-tokio = { version = "1", features = ["full"] }
+chrono.workspace = true
+clap.workspace = true
+dirs.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tokio = { workspace = true, features = ["full"] }
diff --git a/atrium-xrpc-client/Cargo.toml b/atrium-xrpc-client/Cargo.toml
index eee44211..41f99cde 100644
--- a/atrium-xrpc-client/Cargo.toml
+++ b/atrium-xrpc-client/Cargo.toml
@@ -12,23 +12,12 @@ license.workspace = true
 keywords.workspace = true
 
 [dependencies]
-async-trait = "0.1.74"
+async-trait.workspace = true
 atrium-xrpc.workspace = true
-http = "0.2.9"
-
-[dependencies.isahc]
-version = "1.7.2"
-optional = true
-
-[dependencies.reqwest]
-version = "0.11.22"
-default-features = false
-optional = true
-
-[dependencies.surf]
-version = "2.3.2"
-default-features = false
-optional = true
+http.workspace = true
+isahc = { workspace = true, optional = true }
+reqwest = { workspace = true, optional = true }
+surf = { workspace = true, optional = true }
 
 [features]
 default = ["reqwest-native"]
@@ -38,12 +27,12 @@ reqwest-rustls = ["reqwest/rustls-tls"]
 surf = ["dep:surf"]
 
 [dev-dependencies]
-surf = { version = "2.3.2", default-features = false, features = ["h1-client-rustls"] }
-http-client = { version = "6.5.3", default-features = false, features = ["h1_client", "rustls"] }
-mockito = "1.2.0"
-tokio = { version = "1.33.0", features = ["macros"] }
-serde = { version = "1.0.192", features = ["derive"] }
-futures = { version = "0.3.29", default-features = false }
+surf = { workspace = true, features = ["h1-client-rustls"] }
+http-client = { workspace = true, features = ["h1_client", "rustls"] }
+mockito.workspace = true
+tokio = { workspace = true, features = ["macros"] }
+serde = { workspace = true, features = ["derive"] }
+futures.workspace = true
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/atrium-xrpc-server/Cargo.toml b/atrium-xrpc-server/Cargo.toml
index 73715d36..440162f3 100644
--- a/atrium-xrpc-server/Cargo.toml
+++ b/atrium-xrpc-server/Cargo.toml
@@ -8,6 +8,6 @@ rust-version.workspace = true
 
 [dependencies]
 atrium-api = "0.15"
-anyhow = "1.0.71"
-libipld-core = { version = "0.16.0", features = ["serde-codec"] }
-serde_ipld_dagcbor = "0.3.0"
+anyhow.workspace = true
+libipld-core = { workspace = true, features = ["serde-codec"] }
+serde_ipld_dagcbor.workspace = true
diff --git a/atrium-xrpc/Cargo.toml b/atrium-xrpc/Cargo.toml
index ffe68eb4..ff961132 100644
--- a/atrium-xrpc/Cargo.toml
+++ b/atrium-xrpc/Cargo.toml
@@ -12,12 +12,12 @@ license.workspace = true
 keywords.workspace = true
 
 [dependencies]
-async-trait = "0.1.68"
-http = "0.2.9"
-serde = { version = "1.0.160", features = ["derive"] }
-serde_json = "1.0.96"
-serde_qs = "0.12.0"
-thiserror = "1.0"
+async-trait.workspace = true
+http.workspace = true
+serde = { workspace = true, features = ["derive"] }
+serde_json.workspace = true
+serde_qs.workspace = true
+thiserror.workspace = true
 
 [dev-dependencies]
-tokio = { version = "1.33.0", features = ["macros", "rt"] }
+tokio = { workspace = true, features = ["macros", "rt"] }
diff --git a/examples/concurrent/Cargo.toml b/examples/concurrent/Cargo.toml
index 619823bb..331588c6 100644
--- a/examples/concurrent/Cargo.toml
+++ b/examples/concurrent/Cargo.toml
@@ -8,6 +8,6 @@ edition = "2021"
 [dependencies]
 atrium-api.workspace = true
 atrium-xrpc-client.workspace = true
-clap = { version = "4.4.7", features = ["derive"] }
-futures = "0.3.29"
-tokio = { version = "1.33.0", features = ["macros", "rt-multi-thread"] }
+clap = { workspace = true, features = ["derive"] }
+futures.workspace = true
+tokio = { workspace = true, features = ["macros", "rt-multi-thread"] }
diff --git a/examples/firehose/Cargo.toml b/examples/firehose/Cargo.toml
index 6741c16b..c7ce1fc5 100644
--- a/examples/firehose/Cargo.toml
+++ b/examples/firehose/Cargo.toml
@@ -8,8 +8,8 @@ edition = "2021"
 [dependencies]
 atrium-xrpc-server.workspace = true
 atrium-api = "0.15"
-ciborium = "0.2.1"
-futures = "0.3.28"
-rs-car = "0.4.1"
-tokio = { version = "1.28.1", features = ["full"] }
-tokio-tungstenite = { version = "0.21.0", features = ["native-tls"] }
+ciborium.workspace = true
+futures.workspace = true
+rs-car.workspace = true
+tokio = { workspace = true, features = ["full"] }
+tokio-tungstenite = { workspace = true, features = ["native-tls"] }
diff --git a/lexicon/Cargo.toml b/lexicon/Cargo.toml
index 0d637e36..427bb24a 100644
--- a/lexicon/Cargo.toml
+++ b/lexicon/Cargo.toml
@@ -13,3 +13,20 @@ edition = "2021"
 # Intra-workspace dependencies
 atrium-codegen = { version = "0.1.0", path = "atrium-codegen" }
 atrium-lex = { version = "0.1.0", path = "atrium-lex" }
+
+# Serde
+serde = "1.0.160"
+serde_json = "1.0.96"
+serde_repr = "0.1.12"
+serde_with = "2.3.2"
+
+# Proc macros
+heck = "0.4.1"
+itertools = "0.10.5"
+prettyplease = "0.2.15"
+proc-macro2 = "1.0.56"
+quote = "1.0.26"
+syn = { version = "2.0.15", features = ["full"] }
+
+# CLI
+clap = { version = "4.2.4", features = ["derive"] }
diff --git a/lexicon/atrium-codegen/Cargo.toml b/lexicon/atrium-codegen/Cargo.toml
index 1fbcf743..1637740e 100644
--- a/lexicon/atrium-codegen/Cargo.toml
+++ b/lexicon/atrium-codegen/Cargo.toml
@@ -6,10 +6,10 @@ edition.workspace = true
 
 [dependencies]
 atrium-lex.workspace = true
-heck = "0.4.1"
-itertools = "0.10.5"
-prettyplease = "0.2.15"
-proc-macro2 = "1.0.56"
-quote = "1.0.26"
-serde_json = "1.0"
-syn = { version = "2.0.15", features = ["full"] }
+heck.workspace = true
+itertools.workspace = true
+prettyplease.workspace = true
+proc-macro2.workspace = true
+quote.workspace = true
+serde_json.workspace = true
+syn.workspace = true
diff --git a/lexicon/atrium-lex/Cargo.toml b/lexicon/atrium-lex/Cargo.toml
index 7ef41c0d..1cda6e9a 100644
--- a/lexicon/atrium-lex/Cargo.toml
+++ b/lexicon/atrium-lex/Cargo.toml
@@ -5,9 +5,9 @@ authors = ["sugyan <sugi1982+github@gmail.com>"]
 edition.workspace = true
 
 [dependencies]
-serde = { version = "1.0.160", features = ["derive"] }
-serde_repr = "0.1.12"
-serde_with = "2.3.2"
+serde = { workspace = true, features = ["derive"] }
+serde_repr.workspace = true
+serde_with.workspace = true
 
 [dev-dependencies]
-serde_json = "1.0"
+serde_json.workspace = true
diff --git a/lexicon/lexgen/Cargo.toml b/lexicon/lexgen/Cargo.toml
index 66d31efb..41e75ba1 100644
--- a/lexicon/lexgen/Cargo.toml
+++ b/lexicon/lexgen/Cargo.toml
@@ -6,4 +6,4 @@ publish = false
 
 [dependencies]
 atrium-codegen.workspace = true
-clap = { version = "4.2.4", features = ["derive"] }
+clap.workspace = true