diff --git a/pkgs/development/tools/dyff/default.nix b/pkgs/development/tools/dyff/default.nix
index c124749b6fd0..db456aed7f59 100644
--- a/pkgs/development/tools/dyff/default.nix
+++ b/pkgs/development/tools/dyff/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "dyff";
-  version = "1.5.5";
+  version = "1.5.6";
 
   src = fetchFromGitHub {
     owner = "homeport";
     repo = "dyff";
     rev = "v${version}";
-    sha256 = "sha256-sEzS7pRjpCZNZSK1VVL628SNjIn9Di0eNOvvM/29WMM=";
+    sha256 = "sha256-98A8yI0YnGeSz1ie1zQLXPtBAr6JyxsLAf/uNwRAb3M=";
   };
 
-  vendorSha256 = "sha256-kanoe3cIvLROxqKZvdwFRnORv5I3eFLqOBZazvCnj48=";
+  vendorSha256 = "sha256-iJTIOZUNMKW3wpFhLiNRJW1SM8rThG0tBMpCWdvO/YA=";
 
   subPackages = [
     "cmd/dyff"