diff --git a/build/linux/flatpak/org.gimp.GIMP-nightly.json b/build/linux/flatpak/org.gimp.GIMP-nightly.json
index f6bef081ff..2d34358af9 100644
--- a/build/linux/flatpak/org.gimp.GIMP-nightly.json
+++ b/build/linux/flatpak/org.gimp.GIMP-nightly.json
@@ -240,8 +240,8 @@
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-                    "sha256": "63f155142b77349e2bccaef148e754e7506ab1641e713b83af4f54a8f8b15369",
+                    "url": "https://poppler.freedesktop.org/poppler-25.12.0.tar.xz",
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                     "x-checker-data": {
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@@ -703,8 +703,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://gitlab.com/graphviz/graphviz/-/archive/14.0.4/graphviz-14.0.4.tar.gz",
-                    "sha256": "26d0fb9fa863f8d6353d10dd89b396c200a3431b7996944f720e3635c76116ba",
+                    "url": "https://gitlab.com/graphviz/graphviz/-/archive/14.0.5/graphviz-14.0.5.tar.gz",
+                    "sha256": "8109553a15e2c2340a6290e520e629225689f8511ec5a68117a4f6cd9920015d",
                     "x-checker-data": {
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