diff --git a/README.md b/README.md
index fd5f55c..05c2819 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ more details, including on how to concatenate multi-part files.
 | [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.Q3_K_S.gguf) | Q3_K_S | 6.8 |  |
 | [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.Q3_K_M.gguf) | Q3_K_M | 7.7 | lower quality |
 | [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.Q3_K_L.gguf) | Q3_K_L | 8.4 |  |
+| [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.IQ4_XS.gguf) | IQ4_XS | 8.5 |  |
 | [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.Q4_K_S.gguf) | Q4_K_S | 9.0 | fast, recommended |
 | [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.Q4_K_M.gguf) | Q4_K_M | 9.5 | fast, recommended |
 | [GGUF](https://huggingface.co/mradermacher/D_AU-Tiefighter-Expanded-13B-pass2-GGUF/resolve/main/D_AU-Tiefighter-Expanded-13B-pass2.Q5_K_S.gguf) | Q5_K_S | 10.8 |  |