diff --git a/pkgs/by-name/wh/whatweb/package.nix b/pkgs/by-name/wh/whatweb/package.nix
index 2b84a0da7f2a..4b2742bf572c 100644
--- a/pkgs/by-name/wh/whatweb/package.nix
+++ b/pkgs/by-name/wh/whatweb/package.nix
@@ -52,13 +52,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "whatweb";
-  version = "0.6.2";
+  version = "0.6.4";
 
   src = fetchFromGitHub {
     owner = "urbanadventurer";
     repo = "whatweb";
     rev = "v${finalAttrs.version}";
-    sha256 = "sha256-EFQ4RHI1+kmlz/Bm+9KXbmY0iEBJnKfdQL5YGDWCfJQ=";
+    sha256 = "sha256-0oU3DAAwJRGUrrzxZUm8TZ1dlsufzTlonkgdVYsh4mQ=";
   };
 
   prePatch = ''
@@ -77,7 +77,7 @@ stdenv.mkDerivation (finalAttrs: {
     rm $out/bin/whatweb
     cat << EOF >> $out/bin/whatweb
     #!/bin/sh -e
-    export GEM_PATH="${gems}/lib/ruby/gems/3.3.0"
+    export GEM_PATH="${gems}/lib/ruby/gems/3.4.0"
     export RUBYOPT="-W0"
     exec ${ruby_3_4}/bin/ruby "$raw" "\$@"
     EOF