diff --git a/README.md b/README.md
index f81eef0..0c0d196 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ more details, including on how to concatenate multi-part files.
 | [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.Q3_K_S.gguf) | Q3_K_S | 3.6 |  |
 | [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.Q3_K_M.gguf) | Q3_K_M | 3.9 | lower quality |
 | [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.Q3_K_L.gguf) | Q3_K_L | 4.2 |  |
+| [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.IQ4_XS.gguf) | IQ4_XS | 4.4 |  |
 | [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.Q4_K_S.gguf) | Q4_K_S | 4.6 | fast, recommended |
 | [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.Q4_K_M.gguf) | Q4_K_M | 4.8 | fast, recommended |
 | [GGUF](https://huggingface.co/mradermacher/OpenMMReasoner-RL-GGUF/resolve/main/OpenMMReasoner-RL.Q5_K_S.gguf) | Q5_K_S | 5.4 |  |