diff --git a/api/src/ids.rs b/api/src/ids.rs
index e01f9e17..4dc0a91a 100644
--- a/api/src/ids.rs
+++ b/api/src/ids.rs
@@ -145,9 +145,11 @@ pub enum ScopeNameValidateError {
 }
 
 /// A package name, like 'foo' or 'bar'. The name is not prefixed with an @.
-/// The name must be at least 2 character long, and at most 32 characters long.
+/// The name must be at least 2 character long, and at most 58 characters long.
 /// The name must only contain alphanumeric characters and hyphens.
 /// The name must not start or end with a hyphen.
+///
+/// 1 (@) + 20 (scope name) + 1 (/) + 58 (package name) = 80
 #[derive(Clone, PartialEq, Eq, Hash)]
 pub struct PackageName(String);
 
@@ -157,7 +159,7 @@ impl PackageName {
       return Err(PackageNameValidateError::TooShort);
     }
 
-    if name.len() > 32 {
+    if name.len() > 58 {
       return Err(PackageNameValidateError::TooLong);
     }
 
@@ -270,7 +272,7 @@ pub enum PackageNameValidateError {
   #[error("package name must be at least 2 characters long")]
   TooShort,
 
-  #[error("package name must be at most 32 characters long")]
+  #[error("package name must be at most 58 characters long")]
   TooLong,
 
   #[error("package name must contain only lowercase ascii alphanumeric characters and hyphens")]
@@ -897,9 +899,10 @@ mod tests {
     assert!(PackageName::try_from("f").is_err());
     assert!(PackageName::try_from("Foo").is_err());
     assert!(PackageName::try_from("oooF").is_err());
-    assert!(
-      PackageName::try_from("very-long-name-is-very-very-very-long").is_err()
-    );
+    assert!(PackageName::try_from(
+      "very-long-name-is-very-very-very-very-very-very-very-very-long"
+    )
+    .is_err());
     assert!(PackageName::try_from("foo_bar").is_err());
     assert!(PackageName::try_from("-foo").is_err());
     assert!(PackageName::try_from("foo-").is_err());
diff --git a/frontend/docs/packages.md b/frontend/docs/packages.md
index ea90242d..57cc8d47 100644
--- a/frontend/docs/packages.md
+++ b/frontend/docs/packages.md
@@ -13,7 +13,7 @@ by an author to the JSR site. Scopes are similar to npm organizations or GitHub
 accounts. [Learn more about scopes.](/docs/scopes)
 
 Packages have a name. Package names are unique within a scope - no two packages
-in the same scope can have the same name. Package names must be between 2 and 20
+in the same scope can have the same name. Package names must be between 2 and 58
 characters long, and can only contain lowercase letters, numbers, and hyphens.
 They cannot start with a hyphen.
 
diff --git a/frontend/islands/new.tsx b/frontend/islands/new.tsx
index 64b1bfd7..f957abc4 100644
--- a/frontend/islands/new.tsx
+++ b/frontend/islands/new.tsx
@@ -243,8 +243,8 @@ export function PackageName(
     if (name.value.startsWith("@")) {
       return "Enter only the package name, do not include the scope.";
     }
-    if (name.value.length > 32) {
-      return "Package name cannot be longer than 32 characters.";
+    if (name.value.length > 58) {
+      return "Package name cannot be longer than 58 characters.";
     }
     if (!/^[a-z0-9\-]+$/.test(name.value)) {
       return "Package name can only contain lowercase letters, numbers, and hyphens.";