diff --git a/pkgs/by-name/ib/ibm-plex/fonts.nix b/pkgs/by-name/ib/ibm-plex/fonts.nix
index cda27fb6be87..9a5dd7b1748c 100644
--- a/pkgs/by-name/ib/ibm-plex/fonts.nix
+++ b/pkgs/by-name/ib/ibm-plex/fonts.nix
@@ -6,10 +6,10 @@
     version = "1.1.0";
   };
   mono = {
-    hash = "sha256-OwUmrPfEehLDz0fl2ChYLK8FQM2p0G1+EMrGsYEq+6g=";
+    hash = "sha256-GK9KStu5KQ5g5+IUwJq4L+a5gOwzsNXH80OOIbyvOnM=";
     name = "IBM Plex Mono";
-    url = "https://github.com/IBM/plex/releases/download/@ibm/plex-mono@1.1.0/ibm-plex-mono.zip";
-    version = "1.1.0";
+    url = "https://github.com/IBM/plex/releases/download/%40ibm/plex-mono%402.5.0/ibm-plex-mono.zip";
+    version = "2.5.0";
   };
   sans = {
     hash = "sha256-mK+8GGl2ugF2+fS6yd3p5NWPHHcKEJWiShDS3lihOlI=";
diff --git a/pkgs/by-name/ib/ibm-plex/package.nix b/pkgs/by-name/ib/ibm-plex/package.nix
index b87f6cabff55..8f3f7bbcf445 100644
--- a/pkgs/by-name/ib/ibm-plex/package.nix
+++ b/pkgs/by-name/ib/ibm-plex/package.nix
@@ -62,7 +62,7 @@ in
 assert lib.assertMsg (unknownFamilies == [ ]) "Unknown font(s): ${toString unknownFamilies}";
 symlinkJoin {
   pname = "ibm-plex";
-  version = "0-unstable-2026-02-12";
+  version = "0-unstable-2026-05-26";
   paths = lib.attrValues fontDerivations;
   passthru = fontDerivations // {
     updateScript = ./update.py;