diff --git a/docs/changelog.md b/docs/changelog.md
index 8a802039..62f696b4 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -1 +1,15 @@
-## Changelog
+# Changelog
+
+## v0.1.0 (7/4/2021)
+
+**Highlights**
+
+- MMOCR is released.
+
+**Main Features**
+
+- Support text detection, text recognition and the corresponding downstream tasks such as key information extraction.
+- For text detection, support both single-step (`PSENet`, `PANet`, `DBNet`, `TextSnake`) and two-step (`MaskRCNN`) methods.
+- For text recognition, support CTC-loss based method `CRNN`; Encoder-decoder (with attention) based methods `SAR`, `Robustscanner`; Segmentation based method `SegOCR`; Transformer based method `NRTR`.
+- For key information extraction, support GCN based method `SDMG-R`.
+- Provide checkpoints and log files for all of the methods above.
diff --git a/requirements/docs.txt b/requirements/docs.txt
index 89fbf86c..bd7c5a56 100644
--- a/requirements/docs.txt
+++ b/requirements/docs.txt
@@ -1,3 +1,4 @@
+mmdet==2.9.0
 recommonmark
 sphinx
 sphinx_markdown_tables