diff --git a/distributed-process.cabal b/distributed-process.cabal
--- a/distributed-process.cabal
+++ b/distributed-process.cabal
@@ -1,5 +1,5 @@
 Name:          distributed-process 
-Version:       0.4.0
+Version:       0.4.0.1
 Cabal-Version: >=1.8
 Build-Type:    Simple
 License:       BSD3 
@@ -90,7 +90,7 @@
   Build-Depends:     base >= 4.4 && < 5,
                      random >= 1.0 && < 1.1,
                      ansi-terminal >= 0.5 && < 0.6,
-                     distributed-process >= 0.3 && < 0.4,
+                     distributed-process,
                      network-transport >= 0.3 && < 0.4,
                      network-transport-tcp >= 0.3 && < 0.4,
                      binary >= 0.5 && < 0.6,
@@ -110,7 +110,7 @@
                      random >= 1.0 && < 1.1,
                      ansi-terminal >= 0.5 && < 0.6,
                      distributed-static >= 0.2 && < 0.3,
-                     distributed-process >= 0.3 && < 0.4,
+                     distributed-process,
                      network-transport >= 0.3 && < 0.4,
                      network-transport-tcp >= 0.3 && < 0.4,
                      bytestring >= 0.9 && < 0.11,
@@ -124,7 +124,7 @@
 Executable distributed-process-throughput 
   if flag(benchmarks)
     Build-Depends:   base >= 4.4 && < 5,
-                     distributed-process >= 0.3 && < 0.4,
+                     distributed-process,
                      network-transport-tcp >= 0.3 && < 0.4,
                      bytestring >= 0.9 && < 0.11,
                      binary >= 0.5 && < 0.6
@@ -137,7 +137,7 @@
 Executable distributed-process-latency
   if flag(benchmarks)
     Build-Depends:   base >= 4.4 && < 5,
-                     distributed-process >= 0.3 && < 0.4,
+                     distributed-process,
                      network-transport-tcp >= 0.3 && < 0.4,
                      bytestring >= 0.9 && < 0.11,
                      binary >= 0.5 && < 0.6
@@ -150,7 +150,7 @@
 Executable distributed-process-channels
   if flag(benchmarks)
     Build-Depends:   base >= 4.4 && < 5,
-                     distributed-process >= 0.3 && < 0.4,
+                     distributed-process,
                      network-transport-tcp >= 0.3 && < 0.4,
                      bytestring >= 0.9 && < 0.11,
                      binary >= 0.5 && < 0.6
@@ -163,7 +163,7 @@
 Executable distributed-process-spawns
   if flag(benchmarks)
     Build-Depends:   base >= 4.4 && < 5,
-                     distributed-process >= 0.3 && < 0.4,
+                     distributed-process,
                      network-transport-tcp >= 0.3 && < 0.4,
                      bytestring >= 0.9 && < 0.11,
                      binary >= 0.5 && < 0.6