diff --git a/pkgs/misc/emulators/firebird-emu/default.nix b/pkgs/misc/emulators/firebird-emu/default.nix
index f2817bde85ce..8a759d005829 100644
--- a/pkgs/misc/emulators/firebird-emu/default.nix
+++ b/pkgs/misc/emulators/firebird-emu/default.nix
@@ -2,13 +2,13 @@
 
 mkDerivation rec {
   pname = "firebird-emu";
-  version = "1.4";
+  version = "1.5";
 
   src = fetchFromGitHub {
     owner = "nspire-emus";
     repo = "firebird";
     rev = "v${version}";
-    sha256 = "0pdca6bgnmzfgf5kp83as99y348gn4plzbxnqxjs61vp489baahq";
+    sha256 = "sha256-T62WB6msdB6/wIulqd/468JrCEiPGUrvtpjkZyo4wiA=";
     fetchSubmodules = true;
   };