diff --git a/cabal-testsuite/PackageTests/NewUpdate/RejectFutureIndexStates/cabal.test.hs b/cabal-testsuite/PackageTests/NewUpdate/RejectFutureIndexStates/cabal.test.hs
index ca26a482d16..8d22aed3494 100644
--- a/cabal-testsuite/PackageTests/NewUpdate/RejectFutureIndexStates/cabal.test.hs
+++ b/cabal-testsuite/PackageTests/NewUpdate/RejectFutureIndexStates/cabal.test.hs
@@ -2,6 +2,9 @@ import Test.Cabal.Prelude
 import Data.List (isPrefixOf)
 
 main = cabalTest $ withProjectFile "cabal.project" $ withRemoteRepo "repo" $ do
+
+  skip "Flaky test failing in `curl`, see #9530"
+
   output <- last
           . words
           . head
diff --git a/cabal-testsuite/PackageTests/NewUpdate/UpdateIndexState/update-index-state.test.hs b/cabal-testsuite/PackageTests/NewUpdate/UpdateIndexState/update-index-state.test.hs
index 2be563c6bec..24b1e7b5dd6 100644
--- a/cabal-testsuite/PackageTests/NewUpdate/UpdateIndexState/update-index-state.test.hs
+++ b/cabal-testsuite/PackageTests/NewUpdate/UpdateIndexState/update-index-state.test.hs
@@ -1,6 +1,9 @@
 import Test.Cabal.Prelude
 
 main = cabalTest $ withRemoteRepo "repo" $ do
+
+  skip "Flaky test failing in `curl`, see #9530"
+
   -- The _first_ update call causes a warning about missing mirrors, the warning
   -- is platform-dependent and it's not part of the test expectations, so we
   -- check the output manually.