diff --git a/sound-collage.cabal b/sound-collage.cabal
--- a/sound-collage.cabal
+++ b/sound-collage.cabal
@@ -1,6 +1,6 @@
 Cabal-Version:  2.2
 Name:           sound-collage
-Version:        0.2.1
+Version:        0.2.1.1
 License:        BSD-3-Clause
 License-File:   LICENSE
 Author:         Henning Thielemann <haskell@henning-thielemann.de>
@@ -19,7 +19,7 @@
   Makefile
 
 Source-Repository this
-  Tag:         0.2.1
+  Tag:         0.2.1.1
   Type:        darcs
   Location:    https://hub.darcs.net/thielema/sound-collage/
 
@@ -32,16 +32,16 @@
     comfort-fftw >=0.0 && <0.1,
     comfort-array >=0.5 && <0.6,
     storablevector >=0.2 && <0.3,
-    synthesizer-core >=0.7 && <0.9,
+    synthesizer-core >=0.7 && <0.10,
     soxlib >=0.0.1 && <0.1,
     sample-frame >=0.0 && <0.1,
     numeric-prelude >=0.4.1 && <0.5,
     shell-utility >=0.0 && <0.2,
-    optparse-applicative >=0.11 && <0.17,
+    optparse-applicative >=0.11 && <0.20,
     pathtype >=0.8 && <0.9,
-    filepath >=1.3 && <1.5,
+    filepath >=1.3 && <1.6,
     temporary >=1.1 && <1.4,
-    containers >=0.2 && <0.7,
+    containers >=0.2 && <0.9,
     transformers >=0.4 && <0.7,
     utility-ht >=0.0.12 && <0.1,
     base >= 3 && <5