diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2c0d974f248..8f44dc03267 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13505,7 +13505,7 @@ in
 
   gdb = callPackage ../development/tools/misc/gdb {
     guile = null;
-    readline = readline80;
+    readline = readline81;
   };
 
   jhiccup = callPackage ../development/tools/java/jhiccup { };