diff --git a/README.md b/README.md
index d1198e48c..55d363200 100644
--- a/README.md
+++ b/README.md
@@ -696,6 +696,8 @@ Usage of imagor:
         AWS Region. Required if using S3 Loader or S3 Storage
   -aws-secret-access-key string
         AWS Secret Access Key. Required if using S3 Loader or S3 Storage
+  -aws-session-token string
+        AWS Session Token. Optional temporary credentials token
   -s3-endpoint string
         Optional S3 Endpoint to override default
   -s3-safe-chars string
@@ -735,6 +737,8 @@ Usage of imagor:
         AWS Region for S3 Loader to override global config
   -aws-loader-secret-access-key string
         AWS Secret Access Key for S3 Loader to override global config
+  -aws-loader-session-token string
+        AWS Session Token for S3 Loader to override global config
   -s3-loader-endpoint string
         Optional S3 Loader Endpoint to override default
   -aws-storage-access-key-id string
@@ -743,6 +747,8 @@ Usage of imagor:
         AWS Region for S3 Storage to override global config
   -aws-storage-secret-access-key string
         AWS Secret Access Key for S3 Storage to override global config
+  -aws-storage-session-token string
+        AWS Session Token for S3 Storage to override global config
   -s3-storage-endpoint string
         Optional S3 Storage Endpoint to override default
   -aws-result-storage-access-key-id string
@@ -751,6 +757,8 @@ Usage of imagor:
         AWS Region for S3 Result Storage to override global config
   -aws-result-storage-secret-access-key string
         AWS Secret Access Key for S3 Result Storage to override global config
+  -aws-result-storage-session-token string
+        AWS Session Token for S3 Result Storage to override global config
   -s3-result-storage-endpoint string
         Optional S3 Storage Endpoint to override default
 
diff --git a/imagor.go b/imagor.go
index 97d2981bb..8b8d0ce0b 100644
--- a/imagor.go
+++ b/imagor.go
@@ -21,7 +21,7 @@ import (
 )
 
 // Version imagor version
-const Version = "1.4.7"
+const Version = "1.4.8"
 
 // Loader image loader interface
 type Loader interface {