diff --git a/pkgs/development/tools/ameba/default.nix b/pkgs/development/tools/ameba/default.nix
index 9bfaab51554..13e9c56be9f 100644
--- a/pkgs/development/tools/ameba/default.nix
+++ b/pkgs/development/tools/ameba/default.nix
@@ -2,13 +2,13 @@
 
 crystal.buildCrystalPackage rec {
   pname = "ameba";
-  version = "0.13.3";
+  version = "0.13.4";
 
   src = fetchFromGitHub {
     owner = "crystal-ameba";
     repo = "ameba";
     rev = "v${version}";
-    sha256 = "0yhb8vfrfzsm3a45h2jmcrn1n7jy3zn2hwims3dikgq8kaggws9y";
+    sha256 = "sha256-+ZsefwH1hag2syWaEXkdxgmxk6JsxP7MvV+ILlo+Hy8=";
   };
 
   meta = with lib; {