diff --git a/trifecta.cabal b/trifecta.cabal
--- a/trifecta.cabal
+++ b/trifecta.cabal
@@ -1,6 +1,6 @@
 name:          trifecta
 category:      Text, Parsing, Diagnostics, Pretty Printer, Logging
-version:       0.50
+version:       0.50.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -113,17 +113,17 @@
     deepseq              >= 1.2.0.1 && < 1.4,
     hashable             >= 1.1.2.1 && < 1.2,
     bytestring           >= 0.9.1   && < 0.10,
-    mtl                  >= 2.1     && < 2.2,
+    mtl                  >= 2.0.1   && < 2.2,
     semigroups           >= 0.8.2   && < 0.9,
     fingertree           >= 0.0.1   && < 0.1,
     reducers             >= 0.2     && < 0.3,
     profunctors          >= 0.1.2   && < 0.2,
     utf8-string          >= 0.3.6   && < 0.4,
-    semigroupoids        >= 1.3     && < 1.4,
+    semigroupoids        >= 1.3.1   && < 1.4,
     parallel             >= 3.2     && < 3.3,
     pointed              >= 2.1     && < 2.2,
-    transformers         >= 0.3     && < 0.4,
-    kan-extensions       >= 2.2     && < 2.3,
+    transformers         >= 0.2     && < 0.4,
+    kan-extensions       >= 2.3     && < 2.4,
     comonad              >= 1.1.1.3 && < 1.2,
     terminfo             >= 0.3.2   && < 0.4,
     keys                 >= 2.1.3   && < 2.2,