diff --git a/flatpak/io.github.softfever.OrcaSlicer.yml b/flatpak/io.github.softfever.OrcaSlicer.yml
index 73ab58b17d..54e5a15020 100755
--- a/flatpak/io.github.softfever.OrcaSlicer.yml
+++ b/flatpak/io.github.softfever.OrcaSlicer.yml
@@ -197,9 +197,9 @@ modules:
 
       # MPFR
       - type: file
-        url: https://www.mpfr.org/mpfr-current/mpfr-4.2.1.tar.bz2
+        url: https://www.mpfr.org/mpfr-current/mpfr-4.2.2.tar.bz2
         dest: external-packages/MPFR
-        sha256: b9df93635b20e4089c29623b19420c4ac848a1b29df1cfd59f26cab0d2666aa0
+        sha256: 9ad62c7dc910303cd384ff8f1f4767a655124980bb6d8650fe62c815a231bb7b
 
       # NLopt
       - type: file