diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cb86c1..431bf87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [3.1.13]
+- Added `terminal' field to `ChargeSubscriptionRequest` and `ReserveSubscriptionChargeRequest` in `MerchantAPI` to support charging subscription with specific terminal
+
 ## [3.1.12]
 - Added `AuthorisationCode` field to `Transaction` in API response
 
diff --git a/build.gradle b/build.gradle
index 143ed8b..2ae8980 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ plugins {
 }
 
 group = 'com.altapay'
-version = '3.1.12'
+version = '3.1.13'
 
 repositories {
     mavenCentral()
diff --git a/readme.md b/readme.md
index f4a23af..f9a118c 100644
--- a/readme.md
+++ b/readme.md
@@ -49,12 +49,12 @@ For integrating Java projects with the AltaPay gateway.
     <dependency>
         <groupId>com.altapay</groupId>
         <artifactId>sdk-java</artifactId>
-        <version>3.1.12</version>
+        <version>3.1.13</version>
     </dependency>
 
 ### Gradle
 
-    implementation 'com.altapay:sdk-java:3.1.12'
+    implementation 'com.altapay:sdk-java:3.1.13'
 
 ## Changelog
 
diff --git a/src/main/java/com/pensio/api/PensioMerchantAPI.java b/src/main/java/com/pensio/api/PensioMerchantAPI.java
index 3ce32d1..d8da2f1 100644
--- a/src/main/java/com/pensio/api/PensioMerchantAPI.java
+++ b/src/main/java/com/pensio/api/PensioMerchantAPI.java
@@ -160,6 +160,9 @@ public APIResponse chargeSubscription(ChargeSubscriptionRequest request) throws
         if (request.getDynamicDescriptor() != null) {
             addParam(params, "dynamic_descriptor", request.getDynamicDescriptor());
         }
+		if(request.getTerminal() != null) {
+			addParam(params, "terminal", request.getTerminal());
+		}
 
 		return getAPIResponse("chargeSubscription", HttpMethod.POST, params);
 	}
@@ -192,6 +195,10 @@ public APIResponse reserveSubscriptionCharge(ReserveSubscriptionChargeRequest re
             addParam(params, "dynamic_descriptor", request.getDynamicDescriptor());
         }
 
+		if(request.getTerminal() != null) {
+			addParam(params, "terminal", request.getTerminal());
+		}
+
 		return getAPIResponse("reserveSubscriptionCharge", HttpMethod.POST, params);
 	}
 
diff --git a/src/main/java/com/pensio/api/request/ChargeSubscriptionRequest.java b/src/main/java/com/pensio/api/request/ChargeSubscriptionRequest.java
index b74c847..2b9eae5 100644
--- a/src/main/java/com/pensio/api/request/ChargeSubscriptionRequest.java
+++ b/src/main/java/com/pensio/api/request/ChargeSubscriptionRequest.java
@@ -12,6 +12,7 @@ public class ChargeSubscriptionRequest<T extends ChargeSubscriptionRequest<T>>
  	private String callbackOk;
 	private String callbackFail;
     private String dynamicDescriptor;
+	private String terminal;
 
     {
         paymentInfos = new PaymentInfos();
@@ -121,4 +122,15 @@ public ChargeSubscriptionRequest setDynamicDescriptor(String dynamicDescriptor)
         this.dynamicDescriptor = dynamicDescriptor;
         return this;
     }
+
+	public String getTerminal()
+	{
+		return terminal;
+	}
+
+	public ChargeSubscriptionRequest setTerminal(String terminal)
+	{
+		this.terminal = terminal;
+		return this;
+	}
 }
diff --git a/src/main/java/com/pensio/api/request/ReserveSubscriptionChargeRequest.java b/src/main/java/com/pensio/api/request/ReserveSubscriptionChargeRequest.java
index 69bb54a..108b253 100644
--- a/src/main/java/com/pensio/api/request/ReserveSubscriptionChargeRequest.java
+++ b/src/main/java/com/pensio/api/request/ReserveSubscriptionChargeRequest.java
@@ -11,8 +11,9 @@ public class ReserveSubscriptionChargeRequest<T extends ReserveSubscriptionCharg
 	private String callbackOk;
 	private String callbackFail;
     private String dynamicDescriptor;
+	private String terminal;
 
-    {
+	{
         paymentInfos = new PaymentInfos();
     }
 
@@ -109,4 +110,15 @@ public ReserveSubscriptionChargeRequest setDynamicDescriptor(String dynamicDescr
         this.dynamicDescriptor = dynamicDescriptor;
         return this;
     }
+
+	public String getTerminal()
+	{
+		return terminal;
+	}
+
+	public ReserveSubscriptionChargeRequest setTerminal(String terminal)
+	{
+		this.terminal = terminal;
+		return this;
+	}
 }