diff --git a/doc/languages-frameworks/go.section.md b/doc/languages-frameworks/go.section.md
index c23dba3d0cc1..172bf2ca8f37 100644
--- a/doc/languages-frameworks/go.section.md
+++ b/doc/languages-frameworks/go.section.md
@@ -188,6 +188,13 @@ Whether the build result should be allowed to contain references to the Go tool
 
 Defaults to `false`
 
+### `goSum` {#var-go-goSum}
+
+Specifies the contents of the `go.sum` file and triggers rebuilds when it changes. This helps combat inconsistent dependency errors on `go.sum` changes.
+
+Defaults to `null`
+
+
 ## Overriding `goModules` {#buildGoModule-goModules-override}
 
 Overriding `<pkg>.goModules` by calling `goModules.overrideAttrs` is unsupported. Still, it is possible to override the `vendorHash` (`goModules`'s `outputHash`) and the `pre`/`post` hooks for both the build and patch phases of the primary and `goModules` derivation.
diff --git a/doc/redirects.json b/doc/redirects.json
index ad13136e23ef..3d4895060596 100644
--- a/doc/redirects.json
+++ b/doc/redirects.json
@@ -450,6 +450,9 @@
   "var-meta-teams": [
     "index.html#var-meta-teams"
   ],
+  "var-go-goSum": [
+    "index.html#var-go-goSum"
+  ],
   "variables-specifying-dependencies": [
     "index.html#variables-specifying-dependencies"
   ],
diff --git a/doc/release-notes/rl-2505.section.md b/doc/release-notes/rl-2505.section.md
index 774954bc3bc9..1caa77cf86f8 100644
--- a/doc/release-notes/rl-2505.section.md
+++ b/doc/release-notes/rl-2505.section.md
@@ -151,6 +151,8 @@
 
 - `buildGoPackage` has been removed. Use `buildGoModule` instead. See the [Go section in the nixpkgs manual](https://nixos.org/manual/nixpkgs/unstable/#sec-language-go) for details.
 
+- `buildGoModule` now supports a `goSum` attribute (`null` by default) to optionally provide a path to `go.sum` and correctly enabling rebuilds when the file changes.
+
 - top-level `playwright` now refers to the github Microsoft/playwright package
   instead of the python tester launcher. You can still refer to the python
   launcher via `python3Packages.toPythonApplication python3Packages.playwright`