diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 4ef7791b..b3cc8103 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -891,6 +891,12 @@ Grammatical Framework:
   searchable: true
   color: "#ff0000"
 
+Graph Modeling Language:
+  type: data
+  lexer: Text only
+  extensions:
+  - .gml
+
 Groff:
   extensions:
   - .man
diff --git a/samples/Graph Modeling Language/sample.gml b/samples/Graph Modeling Language/sample.gml
new file mode 100644
index 00000000..8825dbc1
--- /dev/null
+++ b/samples/Graph Modeling Language/sample.gml	
@@ -0,0 +1,21 @@
+graph
+[
+  directed 0
+  node
+  [
+    id 0
+    label "Node 1"
+    value 100
+  ]
+  node
+  [
+    id 1
+    label "Node 2"
+    value 200
+  ]
+  edge
+  [
+    source 1
+    target 0
+  ]
+]