diff --git a/README.md b/README.md
index 9d58d02f58c360c2ea27d138aac5bc7eaf5db359..9f08a04d3cfc6ee3610876ace4c65e912db2f83d 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Add symbols with names that make sense, try to follow and come up with a Fab nam
 - [x] Memory
 - [x] Programmable logic FPGA chips
 - [x] Radios
-- [ ] Crystals
+- [x] Crystals
 - [x] Buttons and switches
 - [ ] Magnets
 - [ ] Connectors