diff --git a/srcpkgs/praat/template b/srcpkgs/praat/template
index 4d47991aac6..be348022b84 100644
--- a/srcpkgs/praat/template
+++ b/srcpkgs/praat/template
@@ -1,6 +1,6 @@
 # Template file for 'praat'
 pkgname=praat
-version=6.4.17
+version=6.4.20
 revision=1
 create_wrksrc=yes
 hostmakedepends="pkg-config"
@@ -13,7 +13,7 @@ license="GPL-2.0-or-later"
 homepage="https://www.fon.hum.uva.nl/praat/"
 changelog="https://www.fon.hum.uva.nl/praat/manual/What_s_new_.html"
 distfiles="https://github.com/praat/praat/archive/v${version}.tar.gz"
-checksum=3c3d1f5eb5d45a165a7eaa349096ec3c586ada84c685ef915af1cacc0bf7b720
+checksum=a5facb4da3fe5120cfe83faa83c3521ac0f340b89a5528cde986b4dd86492ab7
 
 # there are a number of pre-defined Makefiles for certain configurations
 # build options are used to choose which one to use among a selected few