diff --git a/core/yaya.cabal b/core/yaya.cabal
index 1cf11d6..1d7bf92 100644
--- a/core/yaya.cabal
+++ b/core/yaya.cabal
@@ -188,6 +188,22 @@ library
     foldable1-classes-compat ^>= 0.1,
     -- FIXME: Fold yaya-containers into here, and make this the dependency
     containers ^>= {0.4.2, 0.5.0, 0.6.0, 0.7},
+    -- TRYING TO LIMIT THE LOWER BOUNDS FOR 8.6.1
+    QuickCheck >= 2.13.2,
+    async >= 2.2.2,
+    doctest >= 0.16.2,
+    exceptions >= 0.10.2,
+    ghc-paths >= 0.1.0.12,
+    -- happy >= 1.19.12,
+    hashable >= 1.3.0,
+    hedgehog >= 1.0.1,
+    lifted-async >= 0.10.0.4,
+    mmorph >= 1.1.3,
+    semigroupoids >= 5.3.2,
+    -- next step (since previous didn’t work
+    happy >= 1.20.1,
+    hsc2hs >= 0.68.6,
+    parsec >= 3.1.17,
   ghc-options:
     -trust adjunctions
     -trust array
diff --git a/quickcheck/yaya-quickcheck.cabal b/quickcheck/yaya-quickcheck.cabal
index fe5d003..ec89e1c 100644
--- a/quickcheck/yaya-quickcheck.cabal
+++ b/quickcheck/yaya-quickcheck.cabal
@@ -158,7 +158,7 @@ library
     --     2.13. However, `-trust` only works for packages in the dependency
     --     graph, so we make it explicit here for the times that it doesn’t get
     --     included transitively.
-    splitmix ^>= {0.0.1, 0.1.0}
+    splitmix ^>= {0.0.3, 0.1.0}
   ghc-options:
     -trust QuickCheck
     -trust adjunctions