diff --git a/slack-base/src/main/java/com/hubspot/slack/client/models/blocks/messages/EmojiIF.java b/slack-base/src/main/java/com/hubspot/slack/client/models/blocks/messages/EmojiIF.java
index 3500943c..692af431 100644
--- a/slack-base/src/main/java/com/hubspot/slack/client/models/blocks/messages/EmojiIF.java
+++ b/slack-base/src/main/java/com/hubspot/slack/client/models/blocks/messages/EmojiIF.java
@@ -5,6 +5,8 @@
 import com.hubspot.immutables.style.HubSpotStyle;
 import org.immutables.value.Value;
 
+import java.util.Optional;
+
 @Value.Immutable
 @HubSpotStyle
 @JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy.class)
@@ -19,5 +21,5 @@ default String getType() {
 
     String getName();
 
-    String getUnicode();
+    Optional<String> getUnicode();
 }