diff --git a/guix/build-system/go.scm b/guix/build-system/go.scm
index 1e8ecba80c..226688f2d2 100644
--- a/guix/build-system/go.scm
+++ b/guix/build-system/go.scm
@@ -193,6 +193,7 @@ (define* (go-build name inputs
                    (build-flags ''())
                    (tests? #t)
                    (parallel-build? #t)
+                   (parallel-tests? #t)
                    (allow-go-reference? #f)
                    (system (%current-system))
                    (goarch #f)
@@ -224,6 +225,7 @@ (define builder
                     #:build-flags #$build-flags
                     #:tests? #$tests?
                     #:parallel-build? #$parallel-build?
+                    #:parallel-tests? #$parallel-tests?
                     #:allow-go-reference? #$allow-go-reference?
                     #:inputs #$(input-tuples->gexp inputs)))))
 
diff --git a/guix/build/go-build-system.scm b/guix/build/go-build-system.scm
index 160323b65e..8aa8a17495 100644
--- a/guix/build/go-build-system.scm
+++ b/guix/build/go-build-system.scm
@@ -279,9 +279,12 @@ (define* (build #:key import-path build-flags (parallel-build? #t)
       (invoke "go" "env"))))
 
 ;; Can this also install commands???
-(define* (check #:key tests? import-path #:allow-other-keys)
+(define* (check #:key tests? import-path (parallel-tests? #t)
+                #:allow-other-keys)
   "Run the tests for the package named by IMPORT-PATH."
   (when tests?
+    (let* ((njobs (if parallel-tests? (parallel-job-count) 1)))
+      (setenv "GOMAXPROCS" (number->string njobs)))
     (invoke "go" "test" import-path))
   #t)