diff --git a/pkgs/data/fonts/ibm-plex/default.nix b/pkgs/data/fonts/ibm-plex/default.nix
index 21321d83af34..a6c7b4d29535 100644
--- a/pkgs/data/fonts/ibm-plex/default.nix
+++ b/pkgs/data/fonts/ibm-plex/default.nix
@@ -2,11 +2,11 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "ibm-plex";
-  version = "6.2.0";
+  version = "6.4.0";
 
   src = fetchzip {
     url = "https://github.com/IBM/plex/releases/download/v${version}/OpenType.zip";
-    hash = "sha256-RvD/aeZrvltJiuAHqYMNaRsjLgTdcC1/5zqlcd4qKAA=";
+    hash = "sha256-/aR3bu03VxenSPed6EqrGoPjWCcKT//MVtb9OC8tSRs=";
   };
 
   installPhase = ''