diff --git a/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/ConversationIF.java b/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/ConversationIF.java
index d34f308e..b34ee101 100644
--- a/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/ConversationIF.java
+++ b/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/ConversationIF.java
@@ -44,4 +44,7 @@ public interface ConversationIF {
 
   @JsonProperty("num_members")
   Optional<Integer> getNumMembers();
+
+  @JsonProperty("topic")
+  Optional<Topic> getTopic();
 }
diff --git a/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/TopicIF.java b/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/TopicIF.java
new file mode 100644
index 00000000..eca101a2
--- /dev/null
+++ b/slack-base/src/main/java/com/hubspot/slack/client/models/conversations/TopicIF.java
@@ -0,0 +1,22 @@
+package com.hubspot.slack.client.models.conversations;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies.SnakeCaseStrategy;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+import com.hubspot.immutables.style.HubSpotStyle;
+import java.util.Optional;
+import org.immutables.value.Value.Immutable;
+
+@Immutable
+@HubSpotStyle
+@JsonNaming(SnakeCaseStrategy.class)
+public interface TopicIF {
+  @JsonProperty("value")
+  Optional<String> getValue();
+
+  @JsonProperty("creator")
+  Optional<String> getCreator();
+
+  @JsonProperty("last_set")
+  Optional<Long> getLastSet();
+}