diff --git a/pkgs/by-name/nc/ncps/package.nix b/pkgs/by-name/nc/ncps/package.nix
index 9991c7c58dcb..0c374caa4025 100644
--- a/pkgs/by-name/nc/ncps/package.nix
+++ b/pkgs/by-name/nc/ncps/package.nix
@@ -3,6 +3,7 @@
   curl,
   dbmate,
   fetchFromGitHub,
+  go,
   jq,
   lib,
   makeWrapper,
@@ -29,6 +30,15 @@ buildGoModule (finalAttrs: {
     hash = "sha256-jZxh4y1bKHbSSGphN3TSR9TiQqfkNhdr8GQekldC1FM=";
   };
 
+  # XXX: ncps is built with Go 1.25.6 that is available in release-25.11 but
+  # master is currently still using 1.25.5 (update waiting in the
+  # staging/staging-next branches.) This is a workaround for this issue and
+  # will automatically becomes no-op once Go is updated.
+  preBuild = lib.optionalString (go.version == "1.25.5") ''
+    sed -e 's:go 1.25.6:go 1.25.5:g' -i go.mod
+    sed -e 's:go 1.25.6:go 1.25.5:g' -i nix/dbmate-wrapper/src/go.mod
+  '';
+
   vendorHash = "sha256-QZikr0kE/kvnI4RG02lxVpG4teTg3Uo68st9xLlbfm0=";
 
   ldflags = [
@@ -99,6 +109,14 @@ buildGoModule (finalAttrs: {
 
       src = "${finalAttrs.src}/nix/dbmate-wrapper/src";
 
+      # XXX: ncps is built with Go 1.25.6 that is available in release-25.11 but
+      # master is currently still using 1.25.5 (update waiting in the
+      # staging/staging-next branches.) This is a workaround for this issue and
+      # will automatically becomes no-op once Go is updated.
+      preBuild = lib.optionalString (go.version == "1.25.5") ''
+        sed -e 's:go 1.25.6:go 1.25.5:g' -i go.mod
+      '';
+
       vendorHash = null;
 
       buildInputs = lib.singleton dbmate;