diff --git a/src/_h5ai/conf/options.json b/src/_h5ai/conf/options.json
index de2a0a8e..855c17f5 100644
--- a/src/_h5ai/conf/options.json
+++ b/src/_h5ai/conf/options.json
@@ -272,6 +272,7 @@ Options
             "txt-cpp": "cpp",
             "txt-css": "css",
             "txt-diff": "fixed",
+            "txt-go": "go",
             "txt-h": "c",
             "txt-hpp": "cpp",
             "txt-install": "fixed",
diff --git a/src/_h5ai/conf/types.json b/src/_h5ai/conf/types.json
index 7c912523..e9a76f32 100644
--- a/src/_h5ai/conf/types.json
+++ b/src/_h5ai/conf/types.json
@@ -39,6 +39,7 @@ File types mapped to file extensions
     "txt-cpp":          ["*.cpp"],
     "txt-css":          ["*.css"],
     "txt-diff":         ["*.diff", "*.patch"],
+    "txt-go":           ["*.go"],
     "txt-h":            ["*.h"],
     "txt-html":         ["*.htm", "*.html", "*.shtml", "*.xhtml"],
     "txt-hpp":          ["*.hpp"],