diff --git a/src/main.rs b/src/main.rs
index fb189595..d75f4645 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -295,6 +295,7 @@ fn run() -> Result<()> {
         runner.execute(Step::Shell, "bash-it", || unix::run_bashit(&ctx))?;
         runner.execute(Step::Shell, "oh-my-fish", || unix::run_oh_my_fish(&ctx))?;
         runner.execute(Step::Shell, "fish-plug", || unix::run_fish_plug(&ctx))?;
+        runner.execute(Step::Shell, "fundle", || unix::run_fundle(&ctx))?;
         runner.execute(Step::Tmux, "tmux", || tmux::run_tpm(&base_dirs, run_type))?;
         runner.execute(Step::Tldr, "TLDR", || unix::run_tldr(run_type))?;
         runner.execute(Step::Pearl, "pearl", || unix::run_pearl(run_type))?;
diff --git a/src/steps/os/unix.rs b/src/steps/os/unix.rs
index c28b92ee..a7313ed8 100644
--- a/src/steps/os/unix.rs
+++ b/src/steps/os/unix.rs
@@ -157,6 +157,23 @@ pub fn run_fish_plug(ctx: &ExecutionContext) -> Result<()> {
     ctx.run_type().execute(&fish).args(["-c", "plug update"]).check_run()
 }
 
+/// Upgrades `fundle` and `fundle` plugins.
+///
+/// `fundle` is a package manager for the Fish shell.
+///
+/// See: <https://github.com/danhper/fundle>
+pub fn run_fundle(ctx: &ExecutionContext) -> Result<()> {
+    let fish = require("fish")?;
+    ctx.base_dirs().home_dir().join(".config/fish/fundle").require()?;
+
+    print_separator("fundle");
+
+    ctx.run_type()
+        .execute(fish)
+        .args(["-c", "fundle self-update && fundle update"])
+        .check_run()
+}
+
 #[cfg(not(any(target_os = "android", target_os = "macos")))]
 pub fn upgrade_gnome_extensions(ctx: &ExecutionContext) -> Result<()> {
     let gdbus = require("gdbus")?;