diff --git a/overlay.nix b/overlay.nix
index 541c735..213846b 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -23,6 +23,11 @@ let
 in {
   inherit idiosyn;
 
+  libgcrypt = prev.libgcrypt.overrideAttrs (base: {
+    configureFlags = base.configureFlags or [ ]
+      ++ [ "--disable-jent-support" ];
+  });
+
   time = prev.time.overrideAttrs (base: {
     patches = base.patches or [ ]
       ++ lib.optional final.time.stdenv.cc.isClang