diff --git a/build/linux/flatpak/org.gimp.GIMP-nightly.json b/build/linux/flatpak/org.gimp.GIMP-nightly.json
index 1590d6c89f..cb89f6cd29 100644
--- a/build/linux/flatpak/org.gimp.GIMP-nightly.json
+++ b/build/linux/flatpak/org.gimp.GIMP-nightly.json
@@ -212,8 +212,8 @@
                     "sources": [
                         {
                             "type": "archive",
-                            "url": "https://github.com/aous72/OpenJPH/archive/refs/tags/0.25.3.tar.gz",
-                            "sha256": "815b0d345daf3bbad72f3930d4f6c831643dcb2b734d8bb44d871d68db12f4d2",
+                            "url": "https://github.com/aous72/OpenJPH/archive/refs/tags/0.26.0.tar.gz",
+                            "sha256": "359fa26e5c6becc64f7f9fa339600e00ca3164af7d988aa1fbf16d527347baf4",
                             "x-checker-data": {
                                 "type": "anitya",
                                 "project-id": 375199,