diff --git a/pkgs/development/libraries/libcxxrt/default.nix b/pkgs/development/libraries/libcxxrt/default.nix
index cd9e7778a80b..6cdcbe63f78c 100644
--- a/pkgs/development/libraries/libcxxrt/default.nix
+++ b/pkgs/development/libraries/libcxxrt/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation {
   pname = "libcxxrt";
-  version = "unstable-2024-04-15";
+  version = "4.0.10-unstable-2024-04-15";
 
   src = fetchFromGitHub {
     owner = "libcxxrt";