diff --git a/pkgs/applications/networking/browsers/lagrange/default.nix b/pkgs/applications/networking/browsers/lagrange/default.nix
index 4a3d98d6474c..601d80717921 100644
--- a/pkgs/applications/networking/browsers/lagrange/default.nix
+++ b/pkgs/applications/networking/browsers/lagrange/default.nix
@@ -17,13 +17,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "lagrange";
-  version = "1.15.3";
+  version = "1.15.4";
 
   src = fetchFromGitHub {
     owner = "skyjake";
     repo = "lagrange";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-BKDN2DtLoG+E+R+yBSBpF4PWv+pRLNYZvX/3BqEIxVQ=";
+    hash = "sha256-l69h0+yMX4vzQ1GYB1AqhZc1ztMKF/7PthxEDarizek=";
   };
 
   nativeBuildInputs = [ cmake pkg-config zip ];