diff --git a/lib/linguist/heuristics.yml b/lib/linguist/heuristics.yml
index 8a6fcea078..bd723c29f8 100644
--- a/lib/linguist/heuristics.yml
+++ b/lib/linguist/heuristics.yml
@@ -471,6 +471,8 @@ disambiguations:
     pattern: '<!ENTITY '
   - language: NMODL
     pattern: '\b(NEURON|INITIAL|UNITS)\b'
+  - language: Go Module
+    pattern: '^\s*module\s+(\(|[\w\-./]+|"[^"]*")\s*$'
   - language: Modula-2
     pattern: '^\s*(?i:MODULE|END) [\w\.]+;'
   - language: [Linux Kernel Module, AMPL]
diff --git a/test/fixtures/Go Module/multiline/go.mod b/test/fixtures/Go Module/multiline/go.mod
new file mode 100644
index 0000000000..fded996f37
--- /dev/null
+++ b/test/fixtures/Go Module/multiline/go.mod	
@@ -0,0 +1,12 @@
+module (
+	golang.org/x/oauth2
+)
+
+go 1.11
+
+require (
+	cloud.google.com/go v0.34.0
+	golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
+	google.golang.org/appengine v1.4.0
+)
\ No newline at end of file
diff --git a/test/fixtures/Go Module/quoted/go.mod b/test/fixtures/Go Module/quoted/go.mod
new file mode 100644
index 0000000000..504860ac8c
--- /dev/null
+++ b/test/fixtures/Go Module/quoted/go.mod	
@@ -0,0 +1,10 @@
+module "golang.org/x/oauth2"
+
+go 1.11
+
+require (
+	cloud.google.com/go v0.34.0
+	golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
+	google.golang.org/appengine v1.4.0
+)
\ No newline at end of file
diff --git a/test/fixtures/Go Module/unquoted/go.mod b/test/fixtures/Go Module/unquoted/go.mod
new file mode 100644
index 0000000000..21113b6289
--- /dev/null
+++ b/test/fixtures/Go Module/unquoted/go.mod	
@@ -0,0 +1,10 @@
+module golang.org/x/oauth2
+
+go 1.11
+
+require (
+	cloud.google.com/go v0.34.0
+	golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e
+	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
+	google.golang.org/appengine v1.4.0
+)
\ No newline at end of file
diff --git a/test/test_heuristics.rb b/test/test_heuristics.rb
index 884a039d9b..fc818fe9c5 100755
--- a/test/test_heuristics.rb
+++ b/test/test_heuristics.rb
@@ -691,6 +691,9 @@ def test_mod_by_heuristics
       "Modula-2" => all_fixtures("Modula-2", "*.mod"),
       "NMODL" => all_fixtures("NMODL", "*.mod"),
       "XML" => all_fixtures("XML", "*.mod"),
+      "Go Module" => Dir.glob("#{fixtures_path}/Go Module/multiline/go.mod") +
+        Dir.glob("#{fixtures_path}/Go Module/quoted/go.mod") +
+        Dir.glob("#{fixtures_path}/Go Module/unquoted/go.mod"),
       ["Linux Kernel Module", "AMPL"] => all_fixtures("Linux Kernel Module", "*.mod"),
       ["Linux Kernel Module", "AMPL"] => all_fixtures("AMPL", "*.mod"),
     })