diff --git a/src/util/cache-command.ts b/src/util/cache-command.ts
index a49f92d5c..6d48dbdbd 100644
--- a/src/util/cache-command.ts
+++ b/src/util/cache-command.ts
@@ -29,6 +29,7 @@ async function cacheFlags(
       deprecateAliases: flag.deprecateAliases,
       deprecated: flag.deprecated,
       description: flag.description,
+      env: flag.env,
       exclusive: flag.exclusive,
       helpGroup: flag.helpGroup,
       helpLabel: flag.helpLabel,
diff --git a/test/util/cache-command.test.ts b/test/util/cache-command.test.ts
index 685bd8647..718952641 100644
--- a/test/util/cache-command.test.ts
+++ b/test/util/cache-command.test.ts
@@ -32,6 +32,7 @@ describe('cacheCommand', () => {
           char: 'c',
           min: 1,
           max: 10,
+          env: 'FLAGC',
           required: false,
           description: 'flagc desc',
           options: ['a', 'b'],
@@ -77,6 +78,7 @@ describe('cacheCommand', () => {
           dependsOn: undefined,
           deprecateAliases: undefined,
           deprecated: undefined,
+          env: undefined,
           exclusive: undefined,
           helpGroup: undefined,
           helpLabel: undefined,
@@ -97,6 +99,7 @@ describe('cacheCommand', () => {
           dependsOn: undefined,
           deprecateAliases: undefined,
           deprecated: undefined,
+          env: undefined,
           exclusive: undefined,
           helpGroup: undefined,
           helpLabel: undefined,
@@ -124,6 +127,7 @@ describe('cacheCommand', () => {
           deprecateAliases: undefined,
           deprecated: undefined,
           description: 'flagc desc',
+          env: 'FLAGC',
           exclusive: undefined,
           helpGroup: undefined,
           helpLabel: undefined,
@@ -203,6 +207,7 @@ describe('cacheCommand', () => {
           char: undefined,
           summary: undefined,
           description: 'Format output as json.',
+          env: undefined,
           hidden: undefined,
           required: undefined,
           helpLabel: undefined,
@@ -223,6 +228,7 @@ describe('cacheCommand', () => {
           char: undefined,
           summary: undefined,
           description: undefined,
+          env: undefined,
           hidden: undefined,
           required: undefined,
           helpLabel: undefined,
@@ -243,6 +249,7 @@ describe('cacheCommand', () => {
           char: undefined,
           summary: undefined,
           description: undefined,
+          env: undefined,
           hidden: undefined,
           required: undefined,
           helpLabel: undefined,