diff --git a/gopls/internal/lsp/regtest/wrappers.go b/gopls/internal/lsp/regtest/wrappers.go
index 163960fa407..5d5d2f778f4 100644
--- a/gopls/internal/lsp/regtest/wrappers.go
+++ b/gopls/internal/lsp/regtest/wrappers.go
@@ -270,6 +270,15 @@ func (e *Env) RunGoCommandInDir(dir, verb string, args ...string) {
 	}
 }
 
+// RunGoCommandInDirWithEnv is like RunGoCommand, but executes in the given
+// relative directory of the sandbox with the given additional environment variables.
+func (e *Env) RunGoCommandInDirWithEnv(dir string, env []string, verb string, args ...string) {
+	e.T.Helper()
+	if err := e.Sandbox.RunGoCommand(e.Ctx, dir, verb, args, env, true); err != nil {
+		e.T.Fatal(err)
+	}
+}
+
 // GoVersion checks the version of the go command.
 // It returns the X in Go 1.X.
 func (e *Env) GoVersion() int {
diff --git a/gopls/internal/regtest/codelens/codelens_test.go b/gopls/internal/regtest/codelens/codelens_test.go
index 68f2982cd19..8f718855f66 100644
--- a/gopls/internal/regtest/codelens/codelens_test.go
+++ b/gopls/internal/regtest/codelens/codelens_test.go
@@ -201,7 +201,7 @@ require golang.org/x/hello v1.2.3
 		t.Run(fmt.Sprintf("Upgrade individual dependency vendoring=%v", vendoring), func(t *testing.T) {
 			WithOptions(ProxyFiles(proxyWithLatest)).Run(t, shouldUpdateDep, func(t *testing.T, env *Env) {
 				if vendoring {
-					env.RunGoCommandInDir("a", "mod", "vendor")
+					env.RunGoCommandInDirWithEnv("a", []string{"GOWORK=off"}, "mod", "vendor")
 				}
 				env.AfterChange()
 				env.OpenFile("a/go.mod")