diff --git a/theatre-dev.cabal b/theatre-dev.cabal
--- a/theatre-dev.cabal
+++ b/theatre-dev.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name:          theatre-dev
-version:       0.5
+version:       0.5.0.1
 category:      Concurrency, Actors
 synopsis:      Minimalistic actor library experiments
 description:
@@ -99,7 +99,7 @@
     , contravariant >=1.3 && <2
     , stm >=2.5 && <2.5.2 || >=2.5.2.2 && <3
     , uuid >=1.3.15 && <2
-    , vector >=0.13 && <0.14
+    , vector >=0.12 && <0.14
 
 test-suite hspec
   import:         test