diff --git a/src/config.rs b/src/config.rs
index 5b6d150f..d7c45696 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -109,6 +109,7 @@ pub enum Step {
     Nix,
     Node,
     Opam,
+    Pacdef,
     Pacstall,
     Pearl,
     Pipx,
diff --git a/src/main.rs b/src/main.rs
index a4231dc7..b1c29e28 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -365,6 +365,7 @@ fn run() -> Result<()> {
         runner.execute(Step::Flatpak, "Flatpak", || linux::flatpak_update(&ctx))?;
         runner.execute(Step::Snap, "snap", || linux::run_snap(sudo.as_ref(), run_type))?;
         runner.execute(Step::Pacstall, "pacstall", || linux::run_pacstall(&ctx))?;
+        runner.execute(Step::Pacdef, "pacdef", || linux::run_pacdef(&ctx))?;
     }
 
     if let Some(commands) = config.commands() {
diff --git a/src/steps/os/linux.rs b/src/steps/os/linux.rs
index 16171038..2b19600e 100644
--- a/src/steps/os/linux.rs
+++ b/src/steps/os/linux.rs
@@ -348,6 +348,17 @@ fn upgrade_solus(ctx: &ExecutionContext) -> Result<()> {
     Ok(())
 }
 
+pub fn run_pacdef(ctx: &ExecutionContext) -> Result<()> {
+    let pacdef = require("pacdef")?;
+
+    print_separator("pacdef");
+
+    ctx.run_type().execute(&pacdef).arg("sync").check_run()?;
+
+    println!();
+    ctx.run_type().execute(&pacdef).arg("review").check_run()
+}
+
 pub fn run_pacstall(ctx: &ExecutionContext) -> Result<()> {
     let pacstall = require("pacstall")?;