diff --git a/pkgs/applications/emulators/libretro/cores/prboom.nix b/pkgs/applications/emulators/libretro/cores/prboom.nix
index 38a3b5c3ecca..93e102a11fd2 100644
--- a/pkgs/applications/emulators/libretro/cores/prboom.nix
+++ b/pkgs/applications/emulators/libretro/cores/prboom.nix
@@ -5,13 +5,13 @@
 }:
 mkLibretroCore {
   core = "prboom";
-  version = "0-unstable-2026-07-07";
+  version = "0-unstable-2026-07-21";
 
   src = fetchFromGitHub {
     owner = "libretro";
     repo = "libretro-prboom";
-    rev = "31563d6e65faa6b9b7e975754d2062370bba4342";
-    hash = "sha256-eFRzbVTL5ARf650D0ZAEFGNTxjAy1CjBiAhwSQR8vJ4=";
+    rev = "c5b09532fa633e015ac75c0a2acfec049f65ded3";
+    hash = "sha256-13oL/U3uwNejqTIbKmITRbK8Eddg9YH5CMDIDXA6zKs=";
   };
 
   makefile = "Makefile";