diff --git a/rp-tree.cabal b/rp-tree.cabal
--- a/rp-tree.cabal
+++ b/rp-tree.cabal
@@ -1,5 +1,5 @@
 name:                rp-tree
-version:             0.2.0.0
+version:             0.2.1.0
 synopsis:            Random projection trees
 description:         Random projection trees for approximate nearest neighbor search in high-dimensional vector spaces
 homepage:            https://github.com/ocramz/rp-tree
@@ -28,7 +28,7 @@
   build-depends:       base >= 4.7 && < 5
                      , boxes
                      , bytestring
-                     , conduit
+                     , conduit >= 1.3.4.1
                      , containers >= 0.6.2.1
                      , deepseq >= 1.4.4.0
                      , exceptions
@@ -36,17 +36,18 @@
                      , microlens-th
                      , mtl
                      -- , psqueues
-                     , serialise
+                     , serialise >= 0.2.3.0
+                     , splitmix >= 0.1.0.3
                      , splitmix-distributions >= 0.8
-                     , transformers
+                     , transformers >= 0.5.6.2
                      -- , ulid
                      , vector >= 0.12.1.2
-                     , vector-algorithms
-                     -- -- DEBUG
-                     , benchpress
-                     , hspec
-                     , mnist-idx-conduit
-                     , splitmix >= 0.1.0.3
+                     , vector-algorithms >= 0.8.0.4
+                     -- -- -- DEBUG
+                     -- , benchpress
+                     -- , hspec
+                     -- , mnist-idx-conduit
+                     
 
 test-suite spec
   default-language:    Haskell2010
