diff --git a/PCAone.pdf b/PCAone.pdf
index aaacfbd..cea0331 100644
Binary files a/PCAone.pdf and b/PCAone.pdf differ
diff --git a/README.org b/README.org
index 49c97ec..d15b317 100644
--- a/README.org
+++ b/README.org
@@ -164,7 +164,7 @@ PCAone --help
 set architecture. =PCAone= has been tested on both =Linux= and =MacOS= system. To
 build PCAone from the source code, the following dependencies are required:
 
-- GCC/Clang compiler with C++11 support
+- GCC/Clang compiler with C++17 support
 - GNU make
 - zlib