diff --git a/src/config.rs b/src/config.rs
index d08ac0d2..0c598acf 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -84,6 +84,7 @@ pub enum Step {
     Gcloud,
     Gem,
     GitRepos,
+    Haxelib,
     GnomeShellExtensions,
     HomeManager,
     Jetpack,
diff --git a/src/main.rs b/src/main.rs
index 7f2c7af7..ec9a7c66 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -313,6 +313,7 @@ fn run() -> Result<()> {
     runner.execute(Step::Composer, "composer", || generic::run_composer_update(&ctx))?;
     runner.execute(Step::Krew, "krew", || generic::run_krew_upgrade(run_type))?;
     runner.execute(Step::Gem, "gem", || generic::run_gem(&base_dirs, run_type))?;
+    runner.execute(Step::Haxelib, "haxelib", || generic::run_haxelib_update(&ctx))?;
     runner.execute(Step::Sheldon, "sheldon", || generic::run_sheldon(&ctx))?;
     runner.execute(Step::Rtcl, "rtcl", || generic::run_rtcl(&ctx))?;
     runner.execute(Step::Bin, "bin", || generic::bin_update(&ctx))?;
diff --git a/src/steps/generic.rs b/src/steps/generic.rs
index 9e7c75ca..c0f08d2a 100644
--- a/src/steps/generic.rs
+++ b/src/steps/generic.rs
@@ -77,6 +77,30 @@ pub fn run_gem(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
     command.check_run()
 }
 
+pub fn run_haxelib_update(ctx: &ExecutionContext) -> Result<()> {
+    let haxelib = utils::require("haxelib")?;
+
+    let haxelib_dir =
+        PathBuf::from(std::str::from_utf8(&Command::new(&haxelib).arg("config").output()?.stdout)?.trim()).require()?;
+
+    let directory_writable = tempfile_in(&haxelib_dir).is_ok();
+    debug!("{:?} writable: {}", haxelib_dir, directory_writable);
+
+    print_separator("haxelib");
+
+    let mut command = if directory_writable {
+        ctx.run_type().execute(&haxelib)
+    } else {
+        let mut c = ctx
+            .run_type()
+            .execute(ctx.sudo().as_ref().ok_or(TopgradeError::SudoRequired)?);
+        c.arg(&haxelib);
+        c
+    };
+
+    command.arg("update").check_run()
+}
+
 pub fn run_sheldon(ctx: &ExecutionContext) -> Result<()> {
     let sheldon = utils::require("sheldon")?;