diff --git a/versions/baseline.json b/versions/baseline.json
index 4db34041..97ac4c11 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -65,8 +65,8 @@
       "port-version": 0
     },
     "libdispatch": {
-      "baseline": "swift-5.5",
-      "port-version": 4
+      "baseline": "swift-5.10",
+      "port-version": 0
     },
     "llama-cpp": {
       "baseline": "b1695",
diff --git a/versions/l-/libdispatch.json b/versions/l-/libdispatch.json
index 48fdc524..c3bcd620 100644
--- a/versions/l-/libdispatch.json
+++ b/versions/l-/libdispatch.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "3ebbccc31cfc1edfd52ebcd710ac049ff08d5ff7",
+      "version-string": "swift-5.10",
+      "port-version": 0
+    },
     {
       "git-tree": "c37b34d8fcd4ce5e252da0aa5f9c89469969e94e",
       "version-string": "swift-5.5",