diff --git a/pkgs/development/libraries/openfst/default.nix b/pkgs/development/libraries/openfst/default.nix
index 08767680ffd6..599d1cad0cc5 100644
--- a/pkgs/development/libraries/openfst/default.nix
+++ b/pkgs/development/libraries/openfst/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
       FSTs have key applications in speech recognition and synthesis, machine translation, optical character recognition,
       pattern matching, string processing, machine learning, information extraction and retrieval among others
     '';
-    homepage = "http://www.openfst.org/twiki/bin/view/FST/WebHome";
+    homepage = "https://www.openfst.org/twiki/bin/view/FST/WebHome";
     license = licenses.asl20;
     maintainers = [ maintainers.dfordivam ];
     platforms = platforms.unix;