diff --git a/src/config.rs b/src/config.rs
index f3c075be..d3b980f7 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -116,6 +116,7 @@ pub enum Step {
     Helix,
     Krew,
     Macports,
+    Mamba,
     Mas,
     Micro,
     Myrepos,
diff --git a/src/main.rs b/src/main.rs
index 58328d22..1d0652ce 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -368,6 +368,7 @@ For more information about this issue see https://askubuntu.com/questions/110969
     runner.execute(Step::Vcpkg, "vcpkg", || generic::run_vcpkg_update(&ctx))?;
     runner.execute(Step::Pipx, "pipx", || generic::run_pipx_update(run_type))?;
     runner.execute(Step::Conda, "conda", || generic::run_conda_update(&ctx))?;
+    runner.execute(Step::Mamba, "mamba", || generic::run_mamba_update(&ctx))?;
     runner.execute(Step::Pip3, "pip3", || generic::run_pip3_update(run_type))?;
     runner.execute(Step::PipReview, "pip-review", || generic::run_pip_review_update(&ctx))?;
     runner.execute(Step::Pipupgrade, "pipupgrade", || generic::run_pipupgrade_update(&ctx))?;
diff --git a/src/steps/generic.rs b/src/steps/generic.rs
index 27895b70..d75d46a9 100644
--- a/src/steps/generic.rs
+++ b/src/steps/generic.rs
@@ -17,6 +17,7 @@ use crate::execution_context::ExecutionContext;
 use crate::executor::{ExecutorOutput, RunType};
 use crate::terminal::{print_separator, shell};
 use crate::utils::{self, require, require_option, which, PathExt};
+use crate::Step;
 use crate::{
     error::{SkipStep, StepFailed, TopgradeError},
     terminal::print_warning,
@@ -332,10 +333,33 @@ pub fn run_conda_update(ctx: &ExecutionContext) -> Result<()> {
 
     print_separator("Conda");
 
-    ctx.run_type()
-        .execute(conda)
-        .args(["update", "--all", "-y"])
-        .status_checked()
+    let mut command = ctx.run_type().execute(conda);
+    command.args(["update", "--all"]);
+    if ctx.config().yes(Step::Conda) {
+        command.arg("--yes");
+    }
+    command.status_checked()
+}
+
+pub fn run_mamba_update(ctx: &ExecutionContext) -> Result<()> {
+    let mamba = utils::require("mamba")?;
+
+    let output = Command::new("mamba")
+        .args(["config", "--show", "auto_activate_base"])
+        .output_checked_utf8()?;
+    debug!("Mamba output: {}", output.stdout);
+    if output.stdout.contains("False") {
+        return Err(SkipStep("auto_activate_base is set to False".to_string()).into());
+    }
+
+    print_separator("Mamba");
+
+    let mut command = ctx.run_type().execute(mamba);
+    command.args(["update", "--all"]);
+    if ctx.config().yes(Step::Mamba) {
+        command.arg("--yes");
+    }
+    command.status_checked()
 }
 
 pub fn run_pip3_update(run_type: RunType) -> Result<()> {