diff --git a/packages/wyatt_analysis/new_version.sh b/packages/wyatt_analysis/new_version.sh
index f92f9421..36adbfe1 100755
--- a/packages/wyatt_analysis/new_version.sh
+++ b/packages/wyatt_analysis/new_version.sh
@@ -63,6 +63,18 @@ if [ ! -e "$OLD_OPTIONS_FLUTTER" ]; then
    exit 1
 fi
 
+if [ -e "$NEW_OPTIONS" ]; then
+   echo "analysis_options.${new}.yaml already exists"
+   echo "${usage}"
+   exit 1
+fi
+
+if [ -e "$NEW_OPTIONS_FLUTTER" ]; then
+   echo "analysis_options.flutter.${old}.yaml already exists"
+   echo "${usage}"
+   exit 1
+fi
+
 # Copy previous version files
 cp "${OLD_OPTIONS}" "${NEW_OPTIONS}"
 cp "${OLD_OPTIONS_FLUTTER}" "${NEW_OPTIONS_FLUTTER}"