diff --git a/changelog.md b/changelog.md
index 7c477f2d..9d8a6b68 100644
--- a/changelog.md
+++ b/changelog.md
@@ -10,6 +10,12 @@ Saves from 6.x are not compatible with 7.0.
 
 ## Fixes
 
+# 6.1.1
+
+## Fixes
+
+* **[Data]** Fixed unit ID for the KS-19 AAA. KS-19 would not previously generate correctly in missions. A new game is required for this fix to take effect.
+
 # 6.1.0
 
 Saves from 6.0.0 are compatible with 6.1.0
diff --git a/resources/units/ground_units/KS19.yaml b/resources/units/ground_units/KS-19.yaml
similarity index 100%
rename from resources/units/ground_units/KS19.yaml
rename to resources/units/ground_units/KS-19.yaml