diff --git a/pkgs/development/libraries/caf/default.nix b/pkgs/development/libraries/caf/default.nix
index 96593487bbeb..ae7075cd80df 100644
--- a/pkgs/development/libraries/caf/default.nix
+++ b/pkgs/development/libraries/caf/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "actor-framework";
-  version = "0.19.5";
+  version = "0.19.6";
 
   src = fetchFromGitHub {
     owner = "actor-framework";
     repo = "actor-framework";
     rev = version;
-    hash = "sha256-G69qZ8aoaRP9Ug+BIhXrYs6xteUG3Zhxbo2O09LEh3s=";
+    hash = "sha256-Nb/BF/+xDWV/6iPo3o/NO6EtIaAW+yGFj06AO2baFfc=";
   };
 
   nativeBuildInputs = [ cmake ];