diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2714991..c66e1ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 - Subusers API
 - `pl.smsapi.exception.SmsapiErrorException` to handle API error responses
 - `date_sent` to SMS/MMS send action responses
+- `time_restriction` parameter for SMS send action
 
 ### Changed
 - `pl.smsapi.api.UserFactory.actionAdd` marked as deprecated, use `pl.smsapi.api.action.subusers.SubusersFactory.actionAdd` instead
diff --git a/src/main/java/pl/smsapi/api/action/sms/SMSSend.java b/src/main/java/pl/smsapi/api/action/sms/SMSSend.java
index a32a2b7..90ad9da 100644
--- a/src/main/java/pl/smsapi/api/action/sms/SMSSend.java
+++ b/src/main/java/pl/smsapi/api/action/sms/SMSSend.java
@@ -175,6 +175,14 @@ public SMSSend setParam(int i, String text) {
 
         return this;
     }
+    
+    /**
+     * Set time restriction mode.
+     */
+    public SMSSend setTimeRestriction(String timeRestriction) {
+        params.put("time_restriction", timeRestriction);
+        return this;
+    }
 
     public SMSSend setDiscountGroup(String $discountGroupName)
     {
diff --git a/src/test/java/pl/smsapi/api/action/sms/SMSSendTest.java b/src/test/java/pl/smsapi/api/action/sms/SMSSendTest.java
index 8bf72c5..66a84e6 100644
--- a/src/test/java/pl/smsapi/api/action/sms/SMSSendTest.java
+++ b/src/test/java/pl/smsapi/api/action/sms/SMSSendTest.java
@@ -44,7 +44,8 @@ public void executeSendSmsWithOptionalFields() throws SmsapiException {
             .setNormalize(true)
             .setParam(1, "param")
             .setParam(2, new String[]{"param1", "param2"})
-            .setDiscountGroup("group1");
+            .setDiscountGroup("group1")
+            .setTimeRestriction("follow");
         action.client(new ClientStub());
         action.proxy(requestStub);
 
@@ -68,6 +69,7 @@ public void executeSendSmsWithOptionalFields() throws SmsapiException {
         expectedRequestPayload.put("normalize", "1");
         expectedRequestPayload.put("flash", "1");
         expectedRequestPayload.put("from", "test");
+        expectedRequestPayload.put("time_restriction", "follow");
         assertEquals(expectedRequestPayload, requestStub.requestPayload);
     }
 }