diff --git a/.changeset/slick-webs-fry.md b/.changeset/slick-webs-fry.md
new file mode 100644
index 0000000..620257b
--- /dev/null
+++ b/.changeset/slick-webs-fry.md
@@ -0,0 +1,5 @@
+---
+"ff-effect": patch
+---
+
+Add missing peer deps
diff --git a/packages/effect/package.json b/packages/effect/package.json
index 35b862f..adbd56a 100644
--- a/packages/effect/package.json
+++ b/packages/effect/package.json
@@ -38,12 +38,16 @@
 		"vitest": "^4.0.10"
 	},
 	"peerDependencies": {
+		"@effect/platform": "^0.93.6",
 		"ai": "^6",
 		"drizzle-orm": "^0.44.7",
 		"effect": "^3.19.3",
 		"inngest": "^3"
 	},
 	"peerDependenciesMeta": {
+		"@effect/platform": {
+			"optional": true
+		},
 		"ai": {
 			"optional": true
 		},
diff --git a/packages/effect/tsup.config.ts b/packages/effect/tsup.config.ts
index 8bc1f65..6f4c1c5 100644
--- a/packages/effect/tsup.config.ts
+++ b/packages/effect/tsup.config.ts
@@ -7,5 +7,5 @@ export default defineConfig({
 	splitting: false,
 	sourcemap: true,
 	clean: true,
-	external: ['effect', 'ai', 'inngest', 'inngest/bun'],
+	external: ['effect', '@effect/platform', 'ai', 'inngest', 'inngest/bun'],
 });