diff --git a/crates/puffin-resolver/src/error.rs b/crates/puffin-resolver/src/error.rs
index d215b805c..27a715f36 100644
--- a/crates/puffin-resolver/src/error.rs
+++ b/crates/puffin-resolver/src/error.rs
@@ -2,7 +2,6 @@ use std::fmt::Formatter;
 
 use pubgrub::range::Range;
 use pubgrub::report::{DefaultStringReporter, DerivationTree, Reporter};
-use pypi_types::IndexUrl;
 use rustc_hash::FxHashMap;
 use thiserror::Error;
 use url::Url;
@@ -12,10 +11,10 @@ use pep508_rs::Requirement;
 use puffin_distribution::DistributionDatabaseError;
 use puffin_normalize::PackageName;
 use puffin_traits::OnceMap;
+use pypi_types::IndexUrl;
 
-use crate::pubgrub::{PubGrubPackage, PubGrubVersion};
+use crate::pubgrub::{PubGrubPackage, PubGrubReportFormatter, PubGrubVersion};
 use crate::version_map::VersionMap;
-use crate::PubGrubReportFormatter;
 
 #[derive(Error, Debug)]
 pub enum ResolveError {
diff --git a/crates/puffin-resolver/src/lib.rs b/crates/puffin-resolver/src/lib.rs
index c65093f14..f2de17c73 100644
--- a/crates/puffin-resolver/src/lib.rs
+++ b/crates/puffin-resolver/src/lib.rs
@@ -2,7 +2,6 @@ pub use error::ResolveError;
 pub use finder::{DistFinder, Reporter as FinderReporter};
 pub use manifest::Manifest;
 pub use prerelease_mode::PreReleaseMode;
-pub use pubgrub::PubGrubReportFormatter;
 pub use resolution::ResolutionGraph;
 pub use resolution_mode::ResolutionMode;
 pub use resolution_options::ResolutionOptions;
diff --git a/crates/puffin-resolver/src/pubgrub/mod.rs b/crates/puffin-resolver/src/pubgrub/mod.rs
index 4d0ba0721..eb7004dec 100644
--- a/crates/puffin-resolver/src/pubgrub/mod.rs
+++ b/crates/puffin-resolver/src/pubgrub/mod.rs
@@ -2,7 +2,7 @@ pub(crate) use crate::pubgrub::dependencies::PubGrubDependencies;
 pub(crate) use crate::pubgrub::distribution::PubGrubDistribution;
 pub(crate) use crate::pubgrub::package::PubGrubPackage;
 pub(crate) use crate::pubgrub::priority::{PubGrubPriorities, PubGrubPriority};
-pub use crate::pubgrub::report::PubGrubReportFormatter;
+pub(crate) use crate::pubgrub::report::PubGrubReportFormatter;
 pub(crate) use crate::pubgrub::version::{PubGrubVersion, MIN_VERSION};
 
 mod dependencies;
diff --git a/crates/puffin-resolver/src/pubgrub/report.rs b/crates/puffin-resolver/src/pubgrub/report.rs
index f75ce3ff8..0729179fb 100644
--- a/crates/puffin-resolver/src/pubgrub/report.rs
+++ b/crates/puffin-resolver/src/pubgrub/report.rs
@@ -7,9 +7,9 @@ use rustc_hash::FxHashMap;
 use super::{PubGrubPackage, PubGrubVersion};
 
 #[derive(Debug)]
-pub struct PubGrubReportFormatter<'a> {
+pub(crate) struct PubGrubReportFormatter<'a> {
     /// The versions that were available for each package
-    pub available_versions: &'a FxHashMap<PubGrubPackage, Vec<PubGrubVersion>>,
+    pub(crate) available_versions: &'a FxHashMap<PubGrubPackage, Vec<PubGrubVersion>>,
 }
 
 impl PubGrubReportFormatter<'_> {