diff --git a/pkgs/applications/graphics/odafileconverter/default.nix b/pkgs/applications/graphics/odafileconverter/default.nix
index c55e1a638ff9d6..0d1d64f3dd05ce 100644
--- a/pkgs/applications/graphics/odafileconverter/default.nix
+++ b/pkgs/applications/graphics/odafileconverter/default.nix
@@ -4,7 +4,7 @@ let
   # To obtain the version you will need to run the following command:
   #
   # dpkg-deb -I ${odafileconverter.src} | grep Version
-  version = "21.9.0.0";
+  version = "21.11.0.0";
   rpath = "$ORIGIN:${lib.makeLibraryPath [ stdenv.cc.cc qtbase ]}";
 
 in mkDerivation {
@@ -14,8 +14,8 @@ in mkDerivation {
 
   src = fetchurl {
     # NB: this URL is not stable (i.e. the underlying file and the corresponding version will change over time)
-    url = "https://download.opendesign.com/guestfiles/Demo/ODAFileConverter_QT5_lnxX64_7.2dll_21.9.deb";
-    sha256 = "571f59bb1c340025df4742eaf9bd80d277e631fdfe622f81a44ae0c61b59672d";
+    url = "http://web.archive.org/web/20201206221727if_/https://download.opendesign.com/guestfiles/Demo/ODAFileConverter_QT5_lnxX64_7.2dll_21.11.deb";
+    sha256 = "10027a3ab18efd04ca75aa699ff550eca3bdfe6f7084460d3c00001bffb50070";
   };
 
   unpackPhase = ''