diff --git a/crates/agent/src/thread_store.rs b/crates/agent/src/thread_store.rs
index 3c9150ff75f53241120b45c3418288e5033489e2..516151e9ff90dd6dc4a3e4b3dd5eff37522db7f2 100644
--- a/crates/agent/src/thread_store.rs
+++ b/crates/agent/src/thread_store.rs
@@ -71,7 +71,7 @@ impl Column for DataType {
     }
 }
 
-const RULES_FILE_NAMES: [&'static str; 8] = [
+const RULES_FILE_NAMES: [&'static str; 9] = [
     ".rules",
     ".cursorrules",
     ".windsurfrules",
@@ -80,6 +80,7 @@ const RULES_FILE_NAMES: [&'static str; 8] = [
     "CLAUDE.md",
     "AGENT.md",
     "AGENTS.md",
+    "GEMINI.md",
 ];
 
 pub fn init(cx: &mut App) {
diff --git a/docs/src/ai/rules.md b/docs/src/ai/rules.md
index 81b8480bd963017af4af8b542fb742ef4ed7d3d5..ed916874cadb957ca45d02af00d3a4047ebd3246 100644
--- a/docs/src/ai/rules.md
+++ b/docs/src/ai/rules.md
@@ -16,6 +16,7 @@ Other names for this file are also supported for compatibility with other agents
 - `AGENT.md`
 - `AGENTS.md`
 - `CLAUDE.md`
+- `GEMINI.md`
 
 ## Rules Library {#rules-library}