diff --git a/pkgs/by-name/al/altair/package.nix b/pkgs/by-name/al/altair/package.nix
index 9bb06775d0c7..b56f4322d0bf 100644
--- a/pkgs/by-name/al/altair/package.nix
+++ b/pkgs/by-name/al/altair/package.nix
@@ -7,11 +7,11 @@
 
 let
   pname = "altair";
-  version = "8.0.5";
+  version = "8.1.3";
 
   src = fetchurl {
     url = "https://github.com/imolorhe/altair/releases/download/v${version}/altair_${version}_x86_64_linux.AppImage";
-    sha256 = "sha256-iQK+oZdNFywDSuL7AzS/8I17QH0m9ehQj7c1D0TnwTU=";
+    sha256 = "sha256-1NNm4HUWb6Imz9dV23fmoR77rBiJD8zI83Pm4CCvfe4=";
   };
 
   appimageContents = appimageTools.extract { inherit pname version src; };