diff --git a/assets/icons/file_icons/file_types.json b/assets/icons/file_icons/file_types.json
index 4dca98ba58..8ad2d5398f 100644
--- a/assets/icons/file_icons/file_types.json
+++ b/assets/icons/file_icons/file_types.json
@@ -29,6 +29,7 @@
     "conf": "settings",
     "cpp": "cpp",
     "cs": "csharp",
+    "cr": "crystal",
     "css": "css",
     "csv": "storage",
     "cxx": "cpp",
@@ -43,6 +44,7 @@
     "dll": "storage",
     "doc": "document",
     "docx": "document",
+    "ecr": "crystal",
     "eex": "elixir",
     "elm": "elm",
     "erl": "erlang",
diff --git a/crates/theme/src/icon_theme.rs b/crates/theme/src/icon_theme.rs
index 891bf75e35..85cc2fd997 100644
--- a/crates/theme/src/icon_theme.rs
+++ b/crates/theme/src/icon_theme.rs
@@ -67,6 +67,7 @@ const FILE_ICONS: &[(&str, &str)] = &[
     ("code", "icons/file_icons/code.svg"),
     ("coffeescript", "icons/file_icons/coffeescript.svg"),
     ("cpp", "icons/file_icons/cpp.svg"),
+    ("crystal", "icons/file_icons/file.svg"),
     ("csharp", "icons/file_icons/file.svg"),
     ("css", "icons/file_icons/css.svg"),
     ("cue", "icons/file_icons/file.svg"),