diff --git a/README.md b/README.md
index 4dbf10c6..a764808a 100644
--- a/README.md
+++ b/README.md
@@ -14,14 +14,14 @@ With Maven:
 <dependency>
     <groupId>com.gocardless</groupId>
     <artifactId>gocardless-pro</artifactId>
-    <version>5.19.0</version>
+    <version>5.20.0</version>
 </dependency>
 ```
 
 With Gradle:
 
 ```
-implementation 'com.gocardless:gocardless-pro:5.19.0'
+implementation 'com.gocardless:gocardless-pro:5.20.0'
 ```
 
 ## Initializing the client
diff --git a/build.gradle b/build.gradle
index f9a7008b..665ba4c6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,7 +20,7 @@ plugins {
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 group = 'com.gocardless'
-version = '5.19.0'
+version = '5.20.0'
 
 apply plugin: 'ch.raffael.pegdown-doclet'
 
diff --git a/src/main/java/com/gocardless/http/HttpClient.java b/src/main/java/com/gocardless/http/HttpClient.java
index d64cbedb..061859b5 100644
--- a/src/main/java/com/gocardless/http/HttpClient.java
+++ b/src/main/java/com/gocardless/http/HttpClient.java
@@ -35,7 +35,7 @@ public class HttpClient {
     private static final String DISALLOWED_USER_AGENT_CHARACTERS =
             "[^\\w!#$%&'\\*\\+\\-\\.\\^`\\|~]";
     private static final String USER_AGENT =
-            String.format("gocardless-pro-java/5.19.0 java/%s %s/%s %s/%s",
+            String.format("gocardless-pro-java/5.20.0 java/%s %s/%s %s/%s",
                     cleanUserAgentToken(System.getProperty("java.vm.specification.version")),
                     cleanUserAgentToken(System.getProperty("java.vm.name")),
                     cleanUserAgentToken(System.getProperty("java.version")),
@@ -48,7 +48,7 @@ public class HttpClient {
         ImmutableMap.Builder<String, String> builder = ImmutableMap.builder();
         builder.put("GoCardless-Version", "2015-07-06");
         builder.put("GoCardless-Client-Library", "gocardless-pro-java");
-        builder.put("GoCardless-Client-Version", "5.19.0");
+        builder.put("GoCardless-Client-Version", "5.20.0");
         HEADERS = builder.build();
     }
     private final OkHttpClient rawClient;