diff --git a/build/linux/flatpak/org.gimp.GIMP-nightly.json b/build/linux/flatpak/org.gimp.GIMP-nightly.json
index a452c4ee5b..e1dc17c0de 100644
--- a/build/linux/flatpak/org.gimp.GIMP-nightly.json
+++ b/build/linux/flatpak/org.gimp.GIMP-nightly.json
@@ -135,8 +135,8 @@
             "sources": [
                 {
                     "type": "archive",
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-                    "sha256": "06494da42eb91c47265ffbad02d0c73cf65d8ad7f24683b801f34d842c4ecb6d",
+                    "url": "https://github.com/AcademySoftwareFoundation/openexr/archive/refs/tags/v3.4.4.tar.gz",
+                    "sha256": "7c663c3c41da9354b5af277bc2fd1d2360788050b4e0751a32bcd50e8abaef8f",
                     "x-checker-data": {
                         "type": "anitya",
                         "project-id": 13289,