diff --git a/config.example.toml b/config.example.toml
index 479a0067..bca777fc 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -111,6 +111,19 @@
 # poetry_force_self_update = true
 
 
+[conda]
+# Additional named conda environments to update (`conda env update -n env_name`)
+# env_names = [
+#     "Toolbox",
+#     "PyTorch"
+# ]
+# Additional conda environment paths to update (`conda env update -p env_path`)
+# env_paths = [
+#     "~/webserver/.conda/",
+#     "~/experiments/.conda/"
+# ]
+
+
 [composer]
 # self_update = true
 
diff --git a/src/config.rs b/src/config.rs
index 1a6f52f6..9e9a0ff1 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -268,6 +268,16 @@ pub struct Python {
     poetry_force_self_update: Option<bool>,
 }
 
+#[derive(Deserialize, Default, Debug, Merge)]
+#[serde(deny_unknown_fields)]
+pub struct Conda {
+    #[merge(strategy = crate::utils::merge_strategies::vec_prepend_opt)]
+    env_names: Option<Vec<String>>,
+
+    #[merge(strategy = crate::utils::merge_strategies::vec_prepend_opt)]
+    env_paths: Option<Vec<String>>,
+}
+
 #[derive(Deserialize, Default, Debug, Merge)]
 #[serde(deny_unknown_fields)]
 #[allow(clippy::upper_case_acronyms)]
@@ -537,6 +547,9 @@ pub struct ConfigFile {
     #[merge(strategy = crate::utils::merge_strategies::commands_merge_opt)]
     commands: Option<Commands>,
 
+    #[merge(strategy = crate::utils::merge_strategies::inner_merge_opt)]
+    conda: Option<Conda>,
+
     #[merge(strategy = crate::utils::merge_strategies::inner_merge_opt)]
     python: Option<Python>,
 
@@ -1002,6 +1015,22 @@ impl Config {
         &self.config_file.commands
     }
 
+    /// The list of additional named conda environments.
+    pub fn conda_env_names(&self) -> Option<&Vec<String>> {
+        self.config_file
+            .conda
+            .as_ref()
+            .and_then(|conda| conda.env_names.as_ref())
+    }
+
+    /// The list of additional conda environment paths.
+    pub fn conda_env_paths(&self) -> Option<&Vec<String>> {
+        self.config_file
+            .conda
+            .as_ref()
+            .and_then(|conda| conda.env_paths.as_ref())
+    }
+
     /// The list of additional git repositories to pull.
     pub fn git_repos(&self) -> Option<&Vec<String>> {
         self.config_file.git.as_ref().and_then(|git| git.repos.as_ref())
diff --git a/src/steps/generic.rs b/src/steps/generic.rs
index 5d712a5f..e4dccecb 100644
--- a/src/steps/generic.rs
+++ b/src/steps/generic.rs
@@ -6,6 +6,7 @@ use regex::bytes::Regex;
 use rust_i18n::t;
 use semver::Version;
 use std::ffi::OsString;
+use std::iter::once;
 use std::path::PathBuf;
 use std::process::Command;
 use std::sync::LazyLock;
@@ -565,13 +566,33 @@ pub fn run_conda_update(ctx: &ExecutionContext) -> Result<()> {
 
     print_separator("Conda");
 
-    let mut command = ctx.run_type().execute(&conda);
-    command.args(["update", "--all", "-n", "base"]);
-    if ctx.config().yes(Step::Conda) {
-        command.arg("--yes");
-    }
-    command.status_checked()?;
+    // Update named environments, starting with the always-present "base"
+    let base_env_name = "base".to_string();
+    let addl_env_names = ctx.config().conda_env_names().into_iter().flatten();
+    let env_names = once(&base_env_name).chain(addl_env_names);
 
+    for env_name in env_names {
+        let mut command = ctx.run_type().execute(&conda);
+        command.args(["update", "--all", "-n", env_name]);
+        if ctx.config().yes(Step::Conda) {
+            command.arg("--yes");
+        }
+        command.status_checked()?;
+    }
+
+    // Update any environments given by path
+    if let Some(env_paths) = ctx.config().conda_env_paths() {
+        for env_path in env_paths.iter() {
+            let mut command = ctx.run_type().execute(&conda);
+            command.args(["update", "--all", "-p", env_path]);
+            if ctx.config().yes(Step::Conda) {
+                command.arg("--yes");
+            }
+            command.status_checked()?;
+        }
+    }
+
+    // Cleanup (conda clean) is global (not tied to a particular environment)
     if ctx.config().cleanup() {
         let mut command = ctx.run_type().execute(conda);
         command.args(["clean", "--all"]);