diff --git a/pkgs/by-name/id/ida-free/package.nix b/pkgs/by-name/id/ida-free/package.nix
index 4f8ac0bcdf1b..95d976b6acf3 100644
--- a/pkgs/by-name/id/ida-free/package.nix
+++ b/pkgs/by-name/id/ida-free/package.nix
@@ -24,7 +24,7 @@
 
 stdenv.mkDerivation rec {
   pname = "ida-free";
-  version = "9.0sp1";
+  version = "9.1";
 
   src = fetchurl {
     url = "https://archive.org/download/ida-free-pc_90sp1_x64linux/ida-free-pc_90sp1_x64linux.run";