diff --git a/extensible-effects-concurrent.cabal b/extensible-effects-concurrent.cabal
--- a/extensible-effects-concurrent.cabal
+++ b/extensible-effects-concurrent.cabal
@@ -1,5 +1,5 @@
 name:           extensible-effects-concurrent
-version:        0.9.2.1
+version:        0.9.2.2
 description:    Please see the README on GitHub at <https://github.com/sheyll/extensible-effects-concurrent#readme>
 synopsis:       Message passing concurrency as extensible-effect
 homepage:       https://github.com/sheyll/extensible-effects-concurrent#readme
@@ -36,18 +36,18 @@
   build-depends:
       async >= 2.2 && <3,
       base >=4.7 && <4.12,
-      data-default,
-      deepseq,
+      data-default >= 0.7 && < 0.8,
+      deepseq >= 1.4 && < 1.5,
       enclosed-exceptions >= 1.0 && < 1.1,
-      filepath,
-      time,
-      mtl,
+      filepath >= 1.4 && < 1.5,
+      time >= 1.8 && < 1.9,
+      mtl >= 2.2 && < 2.3,
       containers >=0.5.8 && <0.7,
       QuickCheck <2.12,
-      lens,
-      parallel,
-      process,
-      monad-control,
+      lens >= 4.14 && < 4.18,
+      parallel >= 3.2 && < 3.3,
+      process >= 1.6 && < 1.7,
+      monad-control >= 1.0 && < 1.1,
       extensible-effects >= 3.1 && <4,
       stm >= 2.4.5 && <2.6
   autogen-modules: Paths_extensible_effects_concurrent
@@ -103,10 +103,10 @@
   main-is: Main.hs
   hs-source-dirs: examples/example-1
   build-depends:
-                base >=4.7 && <4.12
+                base
               , data-default
               , extensible-effects-concurrent
-              , extensible-effects >= 3
+              , extensible-effects
               , lens
   ghc-options: -Wall -threaded -fno-full-laziness -rtsopts -with-rtsopts=-N
   default-language: Haskell2010
@@ -129,10 +129,10 @@
   main-is: Main.hs
   hs-source-dirs: examples/example-2
   build-depends:
-                base >=4.7 && <4.12
+                base
               , data-default
               , extensible-effects-concurrent
-              , extensible-effects >= 3
+              , extensible-effects
               , lens
   ghc-options: -Wall -threaded -fno-full-laziness -rtsopts -with-rtsopts=-N
   default-language: Haskell2010
@@ -155,11 +155,11 @@
   main-is: Main.hs
   hs-source-dirs: examples/example-3
   build-depends:
-                base >=4.7 && <4.12
+                base
               , data-default
               , directory
               , extensible-effects-concurrent
-              , extensible-effects >= 3
+              , extensible-effects
               , filepath
               , lens
   ghc-options: -Wall -threaded -fno-full-laziness -rtsopts -with-rtsopts=-N
@@ -183,9 +183,9 @@
   main-is: Main.hs
   hs-source-dirs: examples/example-4
   build-depends:
-                base >=4.7 && <4.12
+                base
               , extensible-effects-concurrent
-              , extensible-effects >= 3
+              , extensible-effects
               , deepseq
   ghc-options: -Wall -threaded -fno-full-laziness -rtsopts -with-rtsopts=-N
   default-language: Haskell2010