diff --git a/thirdparty/cudf-pins/versions.json b/thirdparty/cudf-pins/versions.json
index 3476ad617b..db9a841f12 100644
--- a/thirdparty/cudf-pins/versions.json
+++ b/thirdparty/cudf-pins/versions.json
@@ -79,7 +79,8 @@
       "git_shallow" : false,
       "git_tag" : "c9935d144f56e5b2d2c3557db0417ce2c1e9207c",
       "git_url" : "https://github.com/rapidsai/kvikio.git",
-      "version" : "25.10"
+      "version" : "25.10",
+      "source_subdir" : "cpp"
     },
     "nanoarrow" : 
     {
@@ -145,7 +146,8 @@
       "git_shallow" : false,
       "git_tag" : "f8745da6ff1ad1e7bab384bd1f9d742439278e99",
       "git_url" : "https://github.com/facebook/zstd.git",
-      "version" : "1.5.7"
+      "version" : "1.5.7",
+      "source_subdir" : "build/cmake"
     }
   }
 }
\ No newline at end of file