diff --git a/action.yml b/action.yml
index 4458b2e..f546212 100644
--- a/action.yml
+++ b/action.yml
@@ -31,10 +31,10 @@ inputs:
     required: true
   aws-access-key-id:
     description: 'An AWS access key id to access the bucket'
-    required: true
+    required: false
   aws-secret-access-key:
     description: 'An AWS secret access key to access the bucket'
-    required: true
+    required: false
   aws-region:
     description: 'An AWS region where the bucket is located'
     required: false
diff --git a/dist/restore-only/index.js b/dist/restore-only/index.js
index c158226..5a450e3 100644
--- a/dist/restore-only/index.js
+++ b/dist/restore-only/index.js
@@ -15852,10 +15852,12 @@ function getInputS3ClientConfig() {
     }
     const s3config = {
         credentials: {
-            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId),
-            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey)
+            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId) ||
+                process.env["AWS_ACCESS_KEY_ID"],
+            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey) ||
+                process.env["AWS_SECRET_ACCESS_KEY"]
         },
-        region: core.getInput(constants_1.Inputs.AWSRegion),
+        region: core.getInput(constants_1.Inputs.AWSRegion) || process.env["AWS_REGION"],
         endpoint: core.getInput(constants_1.Inputs.AWSEndpoint),
         bucketEndpoint: core.getBooleanInput(constants_1.Inputs.AWSS3BucketEndpoint),
         forcePathStyle: core.getBooleanInput(constants_1.Inputs.AWSS3ForcePathStyle)
diff --git a/dist/restore/index.js b/dist/restore/index.js
index dc64d7d..f558688 100644
--- a/dist/restore/index.js
+++ b/dist/restore/index.js
@@ -15852,10 +15852,12 @@ function getInputS3ClientConfig() {
     }
     const s3config = {
         credentials: {
-            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId),
-            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey)
+            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId) ||
+                process.env["AWS_ACCESS_KEY_ID"],
+            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey) ||
+                process.env["AWS_SECRET_ACCESS_KEY"]
         },
-        region: core.getInput(constants_1.Inputs.AWSRegion),
+        region: core.getInput(constants_1.Inputs.AWSRegion) || process.env["AWS_REGION"],
         endpoint: core.getInput(constants_1.Inputs.AWSEndpoint),
         bucketEndpoint: core.getBooleanInput(constants_1.Inputs.AWSS3BucketEndpoint),
         forcePathStyle: core.getBooleanInput(constants_1.Inputs.AWSS3ForcePathStyle)
diff --git a/dist/save-only/index.js b/dist/save-only/index.js
index d5f65d0..fc88726 100644
--- a/dist/save-only/index.js
+++ b/dist/save-only/index.js
@@ -15852,10 +15852,12 @@ function getInputS3ClientConfig() {
     }
     const s3config = {
         credentials: {
-            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId),
-            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey)
+            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId) ||
+                process.env["AWS_ACCESS_KEY_ID"],
+            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey) ||
+                process.env["AWS_SECRET_ACCESS_KEY"]
         },
-        region: core.getInput(constants_1.Inputs.AWSRegion),
+        region: core.getInput(constants_1.Inputs.AWSRegion) || process.env["AWS_REGION"],
         endpoint: core.getInput(constants_1.Inputs.AWSEndpoint),
         bucketEndpoint: core.getBooleanInput(constants_1.Inputs.AWSS3BucketEndpoint),
         forcePathStyle: core.getBooleanInput(constants_1.Inputs.AWSS3ForcePathStyle)
diff --git a/dist/save/index.js b/dist/save/index.js
index aec0a86..3b174c4 100644
--- a/dist/save/index.js
+++ b/dist/save/index.js
@@ -15852,10 +15852,12 @@ function getInputS3ClientConfig() {
     }
     const s3config = {
         credentials: {
-            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId),
-            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey)
+            accessKeyId: core.getInput(constants_1.Inputs.AWSAccessKeyId) ||
+                process.env["AWS_ACCESS_KEY_ID"],
+            secretAccessKey: core.getInput(constants_1.Inputs.AWSSecretAccessKey) ||
+                process.env["AWS_SECRET_ACCESS_KEY"]
         },
-        region: core.getInput(constants_1.Inputs.AWSRegion),
+        region: core.getInput(constants_1.Inputs.AWSRegion) || process.env["AWS_REGION"],
         endpoint: core.getInput(constants_1.Inputs.AWSEndpoint),
         bucketEndpoint: core.getBooleanInput(constants_1.Inputs.AWSS3BucketEndpoint),
         forcePathStyle: core.getBooleanInput(constants_1.Inputs.AWSS3ForcePathStyle)
diff --git a/src/utils/actionUtils.ts b/src/utils/actionUtils.ts
index fff7de2..24ae3a0 100644
--- a/src/utils/actionUtils.ts
+++ b/src/utils/actionUtils.ts
@@ -88,10 +88,14 @@ export function getInputS3ClientConfig(): S3ClientConfig | undefined {
 
     const s3config = {
         credentials: {
-            accessKeyId: core.getInput(Inputs.AWSAccessKeyId),
-            secretAccessKey: core.getInput(Inputs.AWSSecretAccessKey)
+            accessKeyId:
+                core.getInput(Inputs.AWSAccessKeyId) ||
+                process.env["AWS_ACCESS_KEY_ID"],
+            secretAccessKey:
+                core.getInput(Inputs.AWSSecretAccessKey) ||
+                process.env["AWS_SECRET_ACCESS_KEY"]
         },
-        region: core.getInput(Inputs.AWSRegion),
+        region: core.getInput(Inputs.AWSRegion) || process.env["AWS_REGION"],
         endpoint: core.getInput(Inputs.AWSEndpoint),
         bucketEndpoint: core.getBooleanInput(Inputs.AWSS3BucketEndpoint),
         forcePathStyle: core.getBooleanInput(Inputs.AWSS3ForcePathStyle)