diff --git a/releases.json b/releases.json
index aae896de5b..112a7dee2c 100644
--- a/releases.json
+++ b/releases.json
@@ -2102,6 +2102,7 @@
       "mpdecpp"
     ],
     "versions": [
+      "2.5.1-4",
       "2.5.1-3",
       "2.5.1-2",
       "2.5.1-1",
diff --git a/subprojects/packagefiles/mpdecimal/tests/meson.build b/subprojects/packagefiles/mpdecimal/tests/meson.build
index 479381f517..5a1c9cbb25 100644
--- a/subprojects/packagefiles/mpdecimal/tests/meson.build
+++ b/subprojects/packagefiles/mpdecimal/tests/meson.build
@@ -1,3 +1,8 @@
+#Windows does not have random
+if not cc.has_function('random')
+  subdir_done()
+endif
+
 runtest = executable(
   'runtest',
   ['runtest.c', 'test.c'],