diff --git a/Cargo.lock b/Cargo.lock
index a46ab16..4eeb354 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1042,7 +1042,7 @@ dependencies = [
  "syslog",
  "termios",
  "tokio",
- "toml 0.8.9",
+ "toml",
  "vte",
  "yansi",
 ]
@@ -1070,7 +1070,7 @@ dependencies = [
  "serde",
  "stderrlog",
  "test-generator",
- "toml 0.5.11",
+ "toml",
 ]
 
 [[package]]
@@ -1404,15 +1404,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "toml"
-version = "0.5.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "toml"
 version = "0.8.9"
diff --git a/Cargo.toml b/Cargo.toml
index 35c138c..fb1399f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,17 @@
 [workspace]
 resolver = "2"
 members = ["runtime", "shell", "stdlib", "syntax"]
+default-members = ["shell"]
+
+[workspace.package]
+version = "0.2.0"
+authors = ["Stephen M. Coakley <me@stephencoakley.com>"]
+license = "MIT"
+edition = "2021"
+
+# Dependency versions used by multiple crates.
+[workspace.dependencies]
+log = "0.4"
+scopeguard = "1.2"
+serde = "1"
+tokio = "1.2"
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 2cc12a6..a61ceae 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -1,19 +1,21 @@
 [package]
 name = "riptide-runtime"
-version = "0.2.0"
-authors = ["Stephen M. Coakley <me@stephencoakley.com>"]
 description = "The Riptide programming language interpreter"
-edition = "2021"
 rust-version = "1.70.0"
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+edition.workspace = true
 
 [dependencies]
 async-recursion = "1.0"
 bstr = "1.9"
 directories = "3.0"
 futures = "0.3"
-log = "0.4"
+log.workspace = true
 regex = "1.10"
-scopeguard = "1.2"
+riptide-syntax.path = "../syntax"
+scopeguard.workspace = true
 tokio-pipe = "0.2"
 
 [dependencies.gc]
@@ -24,11 +26,8 @@ features = ["derive"]
 version = "0.27"
 features = ["fs", "process"]
 
-[dependencies.riptide-syntax]
-path = "../syntax"
-
 [dependencies.tokio]
-version = "1.2"
+workspace = true
 features = [
     "fs",
     "io-std",
diff --git a/shell/Cargo.toml b/shell/Cargo.toml
index 6f58e0d..3751f5e 100644
--- a/shell/Cargo.toml
+++ b/shell/Cargo.toml
@@ -1,9 +1,10 @@
 [package]
 name = "riptide-shell"
-version = "0.2.0"
-authors = ["Stephen M. Coakley <me@stephencoakley.com>"]
 description = "The Riptide programming language interpreter"
-edition = "2021"
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+edition.workspace = true
 
 [dependencies]
 clipboard = "0.5"
@@ -11,7 +12,9 @@ directories = "3.0"
 exitcode = "1.1"
 flume = "0.11"
 futures = "0.3"
-scopeguard = "1.2"
+riptide-runtime.path = "../runtime"
+riptide-stdlib.path = "../stdlib"
+scopeguard.workspace = true
 syslog = "6"
 toml = "0.8"
 yansi = "0.5"
@@ -21,29 +24,23 @@ version = "4.4"
 features = ["derive"]
 
 [dependencies.log]
-version = "0.4"
+workspace = true
 features = ["std"]
 
 [dependencies.log-panics]
 version = "2.1"
 features = ["with-backtrace"]
 
-[dependencies.riptide-runtime]
-path = "../runtime"
-
-[dependencies.riptide-stdlib]
-path = "../stdlib"
-
 [dependencies.rusqlite]
 version = "0.25"
 features = ["bundled"]
 
 [dependencies.serde]
-version = "1"
+workspace = true
 features = ["derive"]
 
 [dependencies.tokio]
-version = "1.2"
+workspace = true
 features = [
     "io-util",
     "process",
diff --git a/stdlib/Cargo.toml b/stdlib/Cargo.toml
index 9f202cd..50a7dc3 100644
--- a/stdlib/Cargo.toml
+++ b/stdlib/Cargo.toml
@@ -1,19 +1,18 @@
 [package]
 name = "riptide-stdlib"
-version = "0.2.0"
-authors = ["Stephen M. Coakley <me@stephencoakley.com>"]
 description = "The Riptide standard library"
-edition = "2021"
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+edition.workspace = true
 
 [dependencies]
 glob = "0.3"
-log = "0.4"
-
-[dependencies.riptide-runtime]
-path = "../runtime"
+log.workspace = true
+riptide-runtime.path = "../runtime"
 
 [dependencies.tokio]
-version = "1.2"
+workspace = true
 features = [
     "fs",
     "io-util",
diff --git a/syntax/Cargo.toml b/syntax/Cargo.toml
index cf49c1e..f7a3c23 100644
--- a/syntax/Cargo.toml
+++ b/syntax/Cargo.toml
@@ -1,9 +1,10 @@
 [package]
 name = "riptide-syntax"
-version = "0.2.0"
-authors = ["Stephen M. Coakley <me@stephencoakley.com>"]
 description = "The Riptide language parser"
-edition = "2021"
+version.workspace = true
+authors.workspace = true
+license.workspace = true
+edition.workspace = true
 
 [dependencies]
 pest = "2.7"
@@ -13,11 +14,11 @@ regex-syntax = "0.8"
 [dev-dependencies]
 difference = "2.0"
 glob = "0.3"
-log = "0.4"
+log.workspace = true
 stderrlog = "0.6"
 test-generator = "0.3"
-toml = "0.5"
+toml = "0.8"
 
 [dev-dependencies.serde]
-version = "1"
+workspace = true
 features = ["derive"]