diff --git a/README.md b/README.md
index 4048e24..7c83646 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ sudo apt -y install python3-distutils python3-venv
 https://github.com/facebook/rocksdb/wiki/Building-on-Windows
 sudo apt install build-essential libsnappy-dev \
                 zlib1g-dev libbz2-dev libgflags-dev \
-                librocksdb-dev liblz4-1 liblz4-dev
+                librocksdb-dev liblz4-1 liblz4-dev python3-dev
 ```
 
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