diff --git a/README.md b/README.md
index cc3d419..e2fd45e 100644
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ binaries (GCC 7+ required).
 1. Install compile-time dependencies
 
    ```bash
-   vcpkg install lmdb cjson glib libarchive[core,bzip2,libxml2,lz4,lzma,lzo] pthread tesseract libxml2 ffmpeg zstd gtest mongoose libuuid libmagic libraw
+   vcpkg install lmdb cjson glib libarchive[core,bzip2,libxml2,lz4,lzma,lzo] pthread tesseract libxml2 ffmpeg zstd gtest mongoose libuuid libmagic libraw curl[core,ssl] jbig2dec
    ```
 
 2. Build
diff --git a/third-party/libscan b/third-party/libscan
index 7aa89b5..b6e748f 160000
--- a/third-party/libscan
+++ b/third-party/libscan
@@ -1 +1 @@
-Subproject commit 7aa89b59d989063bc73a7abc0579eb1990117e4f
+Subproject commit b6e748f1930c646c6ab4ce9f991eebcb2199321a