diff --git a/crates/turbo-tasks-env/src/command_line.rs b/crates/turbo-tasks-env/src/command_line.rs
index 6f98b514dcd7f..51b763183ddc2 100644
--- a/crates/turbo-tasks-env/src/command_line.rs
+++ b/crates/turbo-tasks-env/src/command_line.rs
@@ -1,9 +1,7 @@
-use std::env;
-
 use indexmap::IndexMap;
 use turbo_tasks::Vc;
 
-use crate::{EnvMap, ProcessEnv, GLOBAL_ENV_LOCK};
+use crate::{sorted_env_vars, EnvMap, ProcessEnv, GLOBAL_ENV_LOCK};
 
 /// Load the environment variables defined via command line.
 #[turbo_tasks::value]
@@ -20,7 +18,7 @@ impl CommandLineProcessEnv {
 /// Clones the current env vars into a IndexMap.
 fn env_snapshot() -> IndexMap<String, String> {
     let _lock = GLOBAL_ENV_LOCK.lock().unwrap();
-    env::vars().collect::<IndexMap<_, _>>()
+    sorted_env_vars()
 }
 
 #[turbo_tasks::value_impl]
diff --git a/crates/turbo-tasks-env/src/dotenv.rs b/crates/turbo-tasks-env/src/dotenv.rs
index b29d1c009fb2d..d32cde2af6004 100644
--- a/crates/turbo-tasks-env/src/dotenv.rs
+++ b/crates/turbo-tasks-env/src/dotenv.rs
@@ -5,7 +5,7 @@ use indexmap::IndexMap;
 use turbo_tasks::{ValueToString, Vc};
 use turbo_tasks_fs::{FileContent, FileSystemPath};
 
-use crate::{EnvMap, ProcessEnv, GLOBAL_ENV_LOCK};
+use crate::{sorted_env_vars, EnvMap, ProcessEnv, GLOBAL_ENV_LOCK};
 
 /// Load the environment variables defined via a dotenv file, with an
 /// optional prior state that we can lookup already defined variables
@@ -47,7 +47,7 @@ impl DotenvProcessEnv {
                 // Unfortunately, dotenvy only looks up variable references from the global env.
                 // So we must mutate while we process. Afterwards, we can restore the initial
                 // state.
-                let initial = env::vars().collect();
+                let initial = sorted_env_vars();
 
                 restore_env(&initial, &prior, &lock);
 
@@ -56,7 +56,7 @@ impl DotenvProcessEnv {
                 // var, it'll be ignored.
                 res = dotenv::from_read(f.read()).map(|e| e.load());
 
-                vars = env::vars().collect();
+                vars = sorted_env_vars();
                 restore_env(&vars, &initial, &lock);
             }
 
diff --git a/crates/turbo-tasks-env/src/lib.rs b/crates/turbo-tasks-env/src/lib.rs
index f793ed06436d9..ee155ed60911f 100644
--- a/crates/turbo-tasks-env/src/lib.rs
+++ b/crates/turbo-tasks-env/src/lib.rs
@@ -57,6 +57,12 @@ pub trait ProcessEnv {
     }
 }
 
+pub fn sorted_env_vars() -> IndexMap<String, String> {
+    let mut vars = env::vars().collect::<IndexMap<_, _>>();
+    vars.sort_keys();
+    vars
+}
+
 #[turbo_tasks::function]
 pub async fn case_insensitive_read(map: Vc<EnvMap>, name: String) -> Result<Vc<Option<String>>> {
     Ok(Vc::cell(
diff --git a/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js b/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js
index d91e9ca1b13a4..047fc73735682 100644
--- a/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js
+++ b/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js
@@ -5,10 +5,10 @@
 const env = process.env = {
     ...process.env
 };
+env["ALLFOOBAR"] = foobarfoobar;
+env["BARFOO"] = barfoo;
 env["FOO"] = foo;
 env["FOOBAR"] = foobar;
-env["BARFOO"] = barfoo;
-env["ALLFOOBAR"] = foobarfoobar;
 
 }.call(this) }),
 }]);
diff --git a/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js.map b/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js.map
index f54633d5180cd..569af54526567 100644
--- a/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js.map
+++ b/crates/turbopack-tests/tests/snapshot/env/env/output/crates_turbopack-tests_tests_snapshot_env_env_input__env__env_b53fce.js.map
@@ -1,6 +1,6 @@
 {
   "version": 3,
   "sections": [
-    {"offset": {"line": 4, "column": 0}, "map": {"version":3,"sources":["/turbopack/[project]/crates/turbopack-tests/tests/snapshot/env/env/input/.env/.env.js"],"sourcesContent":["const env = process.env = {...process.env};\n\nenv[\"FOO\"] = foo;\nenv[\"FOOBAR\"] = foobar;\nenv[\"BARFOO\"] = barfoo;\nenv[\"ALLFOOBAR\"] = foobarfoobar;\n"],"names":[],"mappings":"AAAA,MAAM,MAAM,QAAQ,GAAG,GAAG;IAAC,GAAG,QAAQ,GAAG;AAAA;AAEzC,GAAG,CAAC,MAAM,GAAG;AACb,GAAG,CAAC,SAAS,GAAG;AAChB,GAAG,CAAC,SAAS,GAAG;AAChB,GAAG,CAAC,YAAY,GAAG"}},
+    {"offset": {"line": 4, "column": 0}, "map": {"version":3,"sources":["/turbopack/[project]/crates/turbopack-tests/tests/snapshot/env/env/input/.env/.env.js"],"sourcesContent":["const env = process.env = {...process.env};\n\nenv[\"ALLFOOBAR\"] = foobarfoobar;\nenv[\"BARFOO\"] = barfoo;\nenv[\"FOO\"] = foo;\nenv[\"FOOBAR\"] = foobar;\n"],"names":[],"mappings":"AAAA,MAAM,MAAM,QAAQ,GAAG,GAAG;IAAC,GAAG,QAAQ,GAAG;AAAA;AAEzC,GAAG,CAAC,YAAY,GAAG;AACnB,GAAG,CAAC,SAAS,GAAG;AAChB,GAAG,CAAC,MAAM,GAAG;AACb,GAAG,CAAC,SAAS,GAAG"}},
     {"offset": {"line": 11, "column": 0}, "map": {"version":3,"sources":[],"names":[],"mappings":"A"}}]
 }
\ No newline at end of file