diff --git a/README.md b/README.md
index 6b9aad9..38e29e3 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ You can use `make_prg` with no installation at all by simply downloading the pre
 In this binary, all libraries are linked statically. Compilation is done using [PyInstaller](https://github.com/pyinstaller/pyinstaller).
 
 #### Requirements
-`GLIBC >= 2.27` (present on `Ubuntu >= 18.04`, `Debian >= 10`, `CentOS >= 8`, etc);
+`GLIBC >= 2.29` (present on `Ubuntu >= 19.04`, `Debian >= 11`, `CentOS >= 9`, etc);
 
 #### Download
 ```
@@ -175,4 +175,4 @@ options:
 [gramtools]: https://github.com/iqbal-lab-org/gramtools/
 [docker]: https://docs.docker.com/v17.12/install/
 [quay.io]: https://quay.io/repository/iqballab/make_prg
-[singularity]: https://sylabs.io/guides/3.4/user-guide/quick_start.html#quick-installation-steps
\ No newline at end of file
+[singularity]: https://sylabs.io/guides/3.4/user-guide/quick_start.html#quick-installation-steps