diff --git a/java/ql/lib/ext/org.apache.commons.io.model.yml b/java/ql/lib/ext/org.apache.commons.io.model.yml
index 21d9c593ae2..c352d2330bf 100644
--- a/java/ql/lib/ext/org.apache.commons.io.model.yml
+++ b/java/ql/lib/ext/org.apache.commons.io.model.yml
@@ -16,5 +16,6 @@ extensions:
       pack: codeql/java-all
       extensible: sinkModel
     data:
+      - ["org.apache.commons.io", "FileUtils", True, "openInputStream", "(File)", "", "Argument[0]", "path-injection", "ai-generated"]
       - ["org.apache.commons.io", "FileUtils", True, "copyInputStreamToFile", "(InputStream,File)", "", "Argument[1]", "path-injection", "manual"]
       - ["org.apache.commons.io", "FileUtils", True, "copyToFile", "(InputStream,File)", "", "Argument[1]", "path-injection", "manual"]