diff --git a/pkgs/applications/version-management/sourcehut/fix-gqlgen-trimpath.nix b/pkgs/applications/version-management/sourcehut/fix-gqlgen-trimpath.nix
index ee598c5ed914..5c6f9aa18b2f 100644
--- a/pkgs/applications/version-management/sourcehut/fix-gqlgen-trimpath.nix
+++ b/pkgs/applications/version-management/sourcehut/fix-gqlgen-trimpath.nix
@@ -1,5 +1,5 @@
 { unzip
-, gqlgenVersion ? "0.17.42"
+, gqlgenVersion
 }:
 {
   overrideModAttrs = (_: {
diff --git a/pkgs/applications/version-management/sourcehut/update.sh b/pkgs/applications/version-management/sourcehut/update.sh
index e9efc0816eb1..e5dd0b5baed0 100755
--- a/pkgs/applications/version-management/sourcehut/update.sh
+++ b/pkgs/applications/version-management/sourcehut/update.sh
@@ -1,5 +1,5 @@
 #! /usr/bin/env nix-shell
-#! nix-shell -i bash -p git mercurial common-updater-scripts
+#! nix-shell -i bash -p gnused git mercurial common-updater-scripts
 set -eux -o pipefail
 
 cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1
@@ -34,21 +34,29 @@ get_latest_version() {
   rm -rf "$tmp"
   if [ "$1" = "hgsrht" ]; then
     hg clone "$src" "$tmp" >/dev/null
-    printf "%s" "$(cd "$tmp" && hg log --limit 1 --template '{latesttag}')"
+    printf "%s %s\n" \
+        "$(cd "$tmp" && hg log --limit 1 --template '{latesttag}')" \
+        "$(cd "$tmp" && sed -ne 's/^\s*github\.com\/99designs\/gqlgen v\(.*\)$/\1/p' go.mod)"
   else
     git clone "$src" "$tmp" >/dev/null
-    printf "%s" "$(cd "$tmp" && git describe "$(git rev-list --tags --max-count=1)")"
+    printf "%s %s\n" \
+        "$(cd "$tmp" && git describe "$(git rev-list --tags --max-count=1)")" \
+        "$(cd "$tmp" && sed -ne 's/^\s*github\.com\/99designs\/gqlgen v\(.*\)$/\1/p' go.mod)"
   fi
 }
 
 update_version() {
   default_nix="$(default "$1")"
   oldVersion="$(version "$1")"
-  version="$(get_latest_version "$1")"
+  read -r version gqlgen_ver < <(get_latest_version "$1")
   local p="$(attr_path "$1")"
 
   (cd "$root" && update-source-version "$p" "$version")
 
+  # update `gqlgenVersion` if necessary
+  old_gqlgen_ver="$(sed -ne 's/^.*gqlgenVersion = "\(.*\)".*$/\1/p' "$default_nix")"
+  sed -ri "s|gqlgenVersion = \"$old_gqlgen_ver\";|gqlgenVersion = \"$gqlgen_ver\";|w /dev/stdout" "$default_nix"
+
   # Update vendorHash of Go modules
   retry=true
   while "$retry"; do
@@ -63,7 +71,7 @@ update_version() {
     done
   done
 
-  if [ "$oldVersion" != "$version" ]; then
+  if [ "$oldVersion" != "$version" ] || [ "$old_gqlgen_ver" != "$gqlgen_ver" ]; then
     git add "$default_nix"
     git commit -m "sourcehut.$1: $oldVersion -> $version"
   fi