diff --git a/CHANGELOG.md b/CHANGELOG.md
index 088d77d9..e68a27d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ Status of the `main` branch. Changes prior to the next official version change w
   - Add `serena-agent` CLI command so that `uvx serena-agent` can be used as entrypoint.
   - Fortls and pyright are now installed on the fly instead of being bundled in the serena-agent package.
 
+* Hooks:
+  - Extend list of extensions that are considered code files (affects the reminder hook counter).
+
 # v1.5.1 (2026-05-18)
 
 * General:
diff --git a/src/serena/hooks.py b/src/serena/hooks.py
index d9a9b03f..ef5e2106 100644
--- a/src/serena/hooks.py
+++ b/src/serena/hooks.py
@@ -272,6 +272,8 @@ class PreToolUseRemindAboutSymbolicToolsHook(PreToolUseHook):
 
     #: file suffixes for source-like files where symbolic tools are usually more
     #: appropriate than repeated raw reads. Lowercase and extension-only.
+    #: Note: ``search_for_pattern`` is always available regardless of extension and
+    #: is a better alternative to repeated raw reads for any structured file type.
     _CODE_FILE_EXTENSIONS: frozenset[str] = frozenset(
         (
             ".al",
@@ -289,14 +291,19 @@ class PreToolUseRemindAboutSymbolicToolsHook(PreToolUseHook):
             ".fs",
             ".fsx",
             ".go",
+            ".graphql",
+            ".gql",
             ".groovy",
             ".h",
+            ".hcl",
             ".hpp",
             ".hs",
             ".html",
             ".java",
             ".jl",
             ".js",
+            ".json",
+            ".jsonc",
             ".jsx",
             ".kt",
             ".kts",
@@ -305,6 +312,7 @@ class PreToolUseRemindAboutSymbolicToolsHook(PreToolUseHook):
             ".m",
             ".matlab",
             ".php",
+            ".proto",
             ".ps1",
             ".py",
             ".r",
@@ -313,11 +321,17 @@ class PreToolUseRemindAboutSymbolicToolsHook(PreToolUseHook):
             ".scala",
             ".sh",
             ".sol",
+            ".sql",
             ".svelte",
             ".swift",
+            ".tf",
+            ".tfvars",
+            ".toml",
             ".ts",
             ".tsx",
             ".vue",
+            ".yaml",
+            ".yml",
             ".zig",
         )
     )