diff --git a/crates/uv/src/commands/project/mod.rs b/crates/uv/src/commands/project/mod.rs
index 029875c4ba..49c40b8ed1 100644
--- a/crates/uv/src/commands/project/mod.rs
+++ b/crates/uv/src/commands/project/mod.rs
@@ -152,12 +152,12 @@ pub(crate) enum ProjectError {
     LockWorkspaceMismatch(PackageName),
 
     #[error(
-        "The lockfile at `uv.lock` uses an unsupported schema version (v{0}, but only v1 and v2 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`."
+        "The lockfile at `uv.lock` uses an unsupported schema version (v{0}, but only v1, v2, and v3 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`."
     )]
     UnsupportedLockVersion(u32),
 
     #[error(
-        "Failed to parse `uv.lock`, which uses an unsupported schema version (v{0}, but only v1 and v2 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`."
+        "Failed to parse `uv.lock`, which uses an unsupported schema version (v{0}, but only v1, v2, and v3 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`."
     )]
     UnparsableLockVersion(u32, #[source] toml::de::Error),
 
diff --git a/crates/uv/tests/it/lock.rs b/crates/uv/tests/it/lock.rs
index 11467b19cd..6e1b0d28dc 100644
--- a/crates/uv/tests/it/lock.rs
+++ b/crates/uv/tests/it/lock.rs
@@ -23382,7 +23382,7 @@ fn lock_unsupported_version() -> Result<()> {
     // Validate schema, invalid version.
     context.temp_dir.child("uv.lock").write_str(
         r#"
-        version = 3
+        version = 4
         requires-python = ">=3.12"
 
         [options]
@@ -23416,13 +23416,13 @@ fn lock_unsupported_version() -> Result<()> {
     ----- stdout -----
 
     ----- stderr -----
-    error: The lockfile at `uv.lock` uses an unsupported schema version (v3, but only v1 and v2 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`.
+    error: The lockfile at `uv.lock` uses an unsupported schema version (v4, but only v1, v2, and v3 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`.
     ");
 
     // Invalid schema (`iniconfig` is referenced, but missing), invalid version.
     context.temp_dir.child("uv.lock").write_str(
         r#"
-        version = 3
+        version = 4
         requires-python = ">=3.12"
 
         [options]
@@ -23447,7 +23447,7 @@ fn lock_unsupported_version() -> Result<()> {
     ----- stdout -----
 
     ----- stderr -----
-    error: Failed to parse `uv.lock`, which uses an unsupported schema version (v3, but only v1 and v2 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`.
+    error: Failed to parse `uv.lock`, which uses an unsupported schema version (v4, but only v1, v2, and v3 are supported). Downgrade to a compatible uv version, or remove the `uv.lock` prior to running `uv lock` or `uv sync`.
       Caused by: Dependency `iniconfig` has missing `source` field but has more than one matching package
     ");