diff --git a/pkgs/applications/networking/ids/zeek/default.nix b/pkgs/applications/networking/ids/zeek/default.nix
index 979d765e9e6e..e70d6c187c2e 100644
--- a/pkgs/applications/networking/ids/zeek/default.nix
+++ b/pkgs/applications/networking/ids/zeek/default.nix
@@ -21,11 +21,11 @@
 
 stdenv.mkDerivation rec {
   pname = "zeek";
-  version = "4.0.3";
+  version = "4.1.0";
 
   src = fetchurl {
     url = "https://download.zeek.org/zeek-${version}.tar.gz";
-    sha256 = "1nrkwaj0dilyzhfl6yma214vyakvpi97acyffdr7n4kdm4m6pvik";
+    sha256 = "165kva8dgf152ahizqdk0g2y466ij2gyxja5fjxlkxcxr5p357pj";
   };
 
   nativeBuildInputs = [ cmake flex bison file ];
diff --git a/pkgs/development/libraries/caf/default.nix b/pkgs/development/libraries/caf/default.nix
index 60281e7e0c9f..045595a84fde 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 = "0.18.3";
+  version = "0.18.5";
 
   src = fetchFromGitHub {
     owner = "actor-framework";
     repo = "actor-framework";
     rev = version;
-    sha256 = "sha256-9oQVsfh2mUVr64PjNXYD1wRBNJ8dCLO9eI5WnZ1SSww=";
+    sha256 = "04b4kjisb5wzq6pilh8xzbxn7qcjgppl8k65hfv0zi0ja8fyp1xk";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -31,6 +31,7 @@ stdenv.mkDerivation rec {
     homepage = "http://actor-framework.org/";
     license = licenses.bsd3;
     platforms = platforms.unix;
+    changelog = "https://github.com/actor-framework/actor-framework/raw/${version}/CHANGELOG.md";
     maintainers = with maintainers; [ bobakker tobim ];
   };
 }