1 files changed, 2 insertions, 1 deletions

diff --git a/README.md b/README.md
index 7e83def..6eec953 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ First install all required dependencies and build tools:
 ```shell
 sudo apt-get install \
         build-essential \
+        pkg-config \    
         checkinstall \
         git \
         autoconf \
@@ -114,4 +115,4 @@ iPadOS, tvOS, watchOS, and macOS are trademarks of Apple Inc.
 This project is an independent software library and has not been authorized,
 sponsored, or otherwise approved by Apple Inc.
 
-README Updated on: 2020-10-23
+README Updated on: 2022-04-04