diff --git a/LANGUAGES.md b/LANGUAGES.md
index eaea60a0..892c4a12 100644
--- a/LANGUAGES.md
+++ b/LANGUAGES.md
@@ -109,7 +109,7 @@ Gemfile (gemfile)
 Gherkin Specification (feature)
 gitignore (.gitignore)
 Gleam (gleam)
-GLSL (vert,tesc,tese,geom,frag,comp)
+GLSL (vert,tesc,tese,geom,frag,comp,glsl)
 GN (gn,gni)
 Go (go)
 Go Template (tmpl,gohtml,gotxt)
diff --git a/languages.json b/languages.json
index 5806cc8b..ff7ec7f1 100644
--- a/languages.json
+++ b/languages.json
@@ -2451,7 +2451,7 @@
       "!= ",
       "== "
     ],
-    "extensions": ["vert", "tesc", "tese", "geom", "frag", "comp"],
+    "extensions": ["vert", "tesc", "tese", "geom", "frag", "comp", "glsl"],
     "line_comment": ["//"],
     "multi_line": [["/*", "*/"]],
     "quotes": [