diff --git a/com.github.Flacon.yaml b/com.github.Flacon.yaml
index cbcf0b0..af1d1a5 100644
--- a/com.github.Flacon.yaml
+++ b/com.github.Flacon.yaml
@@ -160,8 +160,8 @@ modules:
     buildsystem: cmake-ninja
     sources:
       - type: archive
-        url: https://github.com/nemtrif/utfcpp/archive/refs/tags/v4.0.7.tar.gz
-        sha256: 1afaa8090eea45ed81625ad3df3bf485f28abbb4393eca28b23d8a01880b34a6
+        url: https://github.com/nemtrif/utfcpp/archive/refs/tags/v4.09.tar.gz
+        sha256: 0902218f606e942ccc10724df8a988fc993c12da4b3adeace28a7f0211970e08
         x-checker-data:
           type: anitya
           project-id: 20545