diff --git a/pkgs/development/compilers/flix/default.nix b/pkgs/development/compilers/flix/default.nix
index 544c1f6ed920..b02b9ee871d8 100644
--- a/pkgs/development/compilers/flix/default.nix
+++ b/pkgs/development/compilers/flix/default.nix
@@ -2,11 +2,11 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "flix";
-  version = "0.42.0";
+  version = "0.43.0";
 
   src = fetchurl {
     url = "https://github.com/flix/flix/releases/download/v${version}/flix.jar";
-    sha256 = "sha256-fkYyJxBlJWUkXGgcszerNKFNEFRIOm6tUyiTZj0q11k=";
+    sha256 = "sha256-pxTsvDzOpdTZqTTz+eR+tdLMH2by+gAG6IfNdjAMSp8=";
   };
 
   dontUnpack = true;