diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Revision history for lambdasound
 
-## 1.2.0 -- 2023-10-16
+## 1.2.0 -- 2023-12-03
 
 * Switch to proteaaudio version which uses RTAudio
 * Update to GHC 9.6
diff --git a/lambdasound.cabal b/lambdasound.cabal
--- a/lambdasound.cabal
+++ b/lambdasound.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               lambdasound
-version:            1.2.0
+version:            1.2.1
 synopsis:           A libary for generating low-level sounds with high-level combinators
 description:        'lambdasound' can generate all kinds of sounds, play them and save them as wav or pcm data.
                     Sound can be manipulated in both a low and high-level way. It is possible to 
@@ -16,7 +16,7 @@
 extra-doc-files:    CHANGELOG.md
 homepage:           https://github.com/Simre1/lambdasound
 bug-reports:        https://github.com/Simre1/lambdasound/issues
-tested-with: GHC==9.6.3, GHC==9.4.7
+tested-with: GHC==9.6.7, GHC==9.4.8, GHC==9.10.1
 
 extra-source-files:
     README.md
@@ -48,22 +48,22 @@
         Data.SomeStableName
     build-depends:    
         base >= 4.17.0.0 && < 5,
-        ansi-terminal >= 1.0 && < 1.1,
-        bytestring >= 0.11.4 && < 0.12,
+        ansi-terminal >= 1.0 && < 1.2,
+        bytestring >= 0.11.4 && < 0.13,
         deepseq >= 1.4.8 && < 1.6,
         bytestring-to-vector >= 0.3.0 && < 0.4,
         vector >= 0.13.0 && < 0.14,
         transformers >= 0.5.6 && < 0.7,
         directory >= 1.3.7 && < 1.4,
-        filepath >= 1.4.2 && < 1.5,
-        hashable >= 1.4.3 && < 1.5,
+        filepath >= 1.4.2 && < 1.6,
+        hashable >= 1.4.3 && < 1.6,
         text >= 2.0.2 && < 2.2,
-        hashtables >= 1.3.1 && < 1.4,
+        hashtables >= 1.3.1 && < 1.5,
         massiv >= 1.0.4 && < 1.1,
-        random >= 1.2.1 && < 1.3,
+        random >= 1.2.1 && < 1.4,
         proteaaudio >= 0.9.3 && < 1.1,
         wave >= 0.2.0 && < 0.3,
-        zlib >= 0.6.3 && < 0.7,
+        zlib >= 0.6.3 && < 0.8,
         dsp >= 0.2.5.2 && < 0.3
     hs-source-dirs:   src
     default-extensions:
@@ -131,7 +131,7 @@
     build-depends:
         base >= 4.17.0.0 && < 5,
         lambdasound,
-        tasty >= 1.4 && < 1.5,
+        tasty >= 1.4 && < 1.6,
         tasty-hunit >= 0.10.1 && < 0.11,
         falsify >= 0.1.1 && < 0.3,
         massiv >= 1.0.4 && < 1.1
@@ -148,7 +148,7 @@
         base >= 4.17.0.0 && < 5,
         lambdasound,
         tasty >= 1.4 && < 1.5,
-        tasty-bench >= 0.3.5 && < 0.4,
+        tasty-bench >= 0.3.5 && < 0.5,
         massiv
     ghc-options: -O2