diff --git a/library/PrimitiveExtras/By6Bits.hs b/library/PrimitiveExtras/By6Bits.hs
--- a/library/PrimitiveExtras/By6Bits.hs
+++ b/library/PrimitiveExtras/By6Bits.hs
@@ -141,7 +141,7 @@
 elementsUnfoldlM (By6Bits _ array) = SmallArray.elementsUnfoldlM array
 
 {-# INLINE elementsListT #-}
-elementsListT :: By6Bits a -> ListT STM a
+elementsListT :: (Monad m) => By6Bits a -> ListT m a
 elementsListT (By6Bits _ array) = SmallArray.elementsListT array
 
 {-# INLINE onElementAtFocus #-}
diff --git a/primitive-extras.cabal b/primitive-extras.cabal
--- a/primitive-extras.cabal
+++ b/primitive-extras.cabal
@@ -1,28 +1,26 @@
 cabal-version: 3.0
-name:          primitive-extras
-synopsis:      Extras for the "primitive" library
+name: primitive-extras
+synopsis: Extras for the "primitive" library
 description:
   Raw collection of extra utiltilies for the "primitive" library.
 
-version:       0.10.1.10
-category:      Primitive
-homepage:      https://github.com/metrix-ai/primitive-extras
-bug-reports:   https://github.com/metrix-ai/primitive-extras/issues
-author:        Nikita Volkov <nikita.y.volkov@mail.ru>
-maintainer:    Nikita Volkov <nikita.y.volkov@mail.ru>
-copyright:     (c) 2018, Metrix.AI
-license:       MIT
-license-file:  LICENSE
+version: 0.10.2
+category: Primitive
+homepage: https://github.com/nikita-volkov/primitive-extras
+bug-reports: https://github.com/nikita-volkov/primitive-extras/issues
+author: Nikita Volkov <nikita.y.volkov@mail.ru>
+maintainer: Nikita Volkov <nikita.y.volkov@mail.ru>
+copyright: (c) 2018, Metrix.AI
+license: MIT
+license-file: LICENSE
 
 source-repository head
-  type:     git
-  location: git://github.com/metrix-ai/primitive-extras.git
+  type: git
+  location: git://github.com/nikita-volkov/primitive-extras.git
 
 library
-  hs-source-dirs:     library
+  hs-source-dirs: library
   default-extensions:
-    NoImplicitPrelude
-    NoMonomorphismRestriction
     Arrows
     BangPatterns
     ConstraintKinds
@@ -44,6 +42,8 @@
     MagicHash
     MultiParamTypeClasses
     MultiWayIf
+    NoImplicitPrelude
+    NoMonomorphismRestriction
     OverloadedStrings
     ParallelListComp
     PatternGuards
@@ -58,7 +58,7 @@
     TypeOperators
     UnboxedTuples
 
-  default-language:   Haskell2010
+  default-language: Haskell2010
   exposed-modules:
     PrimitiveExtras.Bitmap
     PrimitiveExtras.By6Bits
@@ -74,25 +74,23 @@
     PrimitiveExtras.Types
 
   build-depends:
-    , base >=4.7 && <5
-    , bytestring >=0.10 && <0.13
-    , cereal >=0.5.5 && <0.6
-    , deferred-folds >=0.9 && <0.10
-    , focus >=1 && <1.1
-    , foldl >=1 && <2
-    , list-t >=1.0.1 && <1.1
-    , primitive >=0.7 && <0.10
-    , primitive-unlifted >=0.1.3.1 && <0.2 || >=2.1 && <2.2
-    , profunctors >=5 && <6
-    , vector >=0.12 && <0.14
+    base >=4.7 && <5,
+    bytestring >=0.10 && <0.13,
+    cereal >=0.5.5 && <0.6,
+    deferred-folds >=0.9 && <0.10,
+    focus >=1 && <1.1,
+    foldl >=1 && <2,
+    list-t >=1.0.1 && <1.1,
+    primitive >=0.7 && <0.10,
+    primitive-unlifted >=0.1.3.1 && <0.2 || >=2.1 && <2.2,
+    profunctors >=5 && <6,
+    vector >=0.12 && <0.14,
 
 test-suite test
-  type:               exitcode-stdio-1.0
-  hs-source-dirs:     test
-  main-is:            Main.hs
+  type: exitcode-stdio-1.0
+  hs-source-dirs: test
+  main-is: Main.hs
   default-extensions:
-    NoImplicitPrelude
-    NoMonomorphismRestriction
     Arrows
     BangPatterns
     ConstraintKinds
@@ -114,6 +112,8 @@
     MagicHash
     MultiParamTypeClasses
     MultiWayIf
+    NoImplicitPrelude
+    NoMonomorphismRestriction
     OverloadedStrings
     ParallelListComp
     PatternGuards
@@ -128,19 +128,19 @@
     TypeOperators
     UnboxedTuples
 
-  default-language:   Haskell2010
+  default-language: Haskell2010
   other-modules:
     Main.Gens
     Main.Transaction
 
   build-depends:
-    , cereal
-    , deferred-folds
-    , focus
-    , primitive
-    , primitive-extras
-    , QuickCheck >=2.13.1 && <3
-    , rerebase <2
-    , tasty >=1.2.2 && <2
-    , tasty-hunit >=0.10.0.2 && <0.11
-    , tasty-quickcheck >=0.10.1 && <0.11
+    QuickCheck >=2.13.1 && <3,
+    cereal,
+    deferred-folds,
+    focus,
+    primitive,
+    primitive-extras,
+    rerebase <2,
+    tasty >=1.2.2 && <2,
+    tasty-hunit >=0.10.0.2 && <0.11,
+    tasty-quickcheck >=0.10.1 && <0.11,
diff --git a/test/Main/Transaction.hs b/test/Main/Transaction.hs
--- a/test/Main/Transaction.hs
+++ b/test/Main/Transaction.hs
@@ -9,7 +9,8 @@
 import qualified PrimitiveExtras.By6Bits as By6Bits
 import Prelude
 
-data Transaction element = forall result.
+data Transaction element
+  = forall result.
   (Show result, Eq result) =>
   Transaction
   { name :: Text,