diff --git a/pkgs/development/libraries/cppzmq/default.nix b/pkgs/development/libraries/cppzmq/default.nix
index 240710b5a50f..fdd98cb00bf0 100644
--- a/pkgs/development/libraries/cppzmq/default.nix
+++ b/pkgs/development/libraries/cppzmq/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "cppzmq";
-  version = "4.6.0";
+  version = "4.7.1";
 
   src = fetchFromGitHub {
     owner = "zeromq";
     repo = "cppzmq";
     rev = "v${version}";
-    sha256 = "19acx2bzi4n6fdnfgkja1nds7m1bwg8lw5vfcijrx9fv75pa7m8h";
+    sha256 = "00lb3pv923nbpaf7ric2cv6lbpspknj0pxj6yj5jyah7r3zw692m";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/servers/ursadb/default.nix b/pkgs/servers/ursadb/default.nix
index 8a2f768443f5..6a3a1cff5b56 100644
--- a/pkgs/servers/ursadb/default.nix
+++ b/pkgs/servers/ursadb/default.nix
@@ -31,5 +31,6 @@ stdenv.mkDerivation {
     license = licenses.bsd3;
     maintainers = with maintainers; [ msm ];
     platforms = platforms.unix;
+    broken = stdenv.isDarwin;
   };
 }
diff --git a/pkgs/tools/filesystems/irods/common.nix b/pkgs/tools/filesystems/irods/common.nix
index fb90c3b0aebb..dfa7530ac64f 100644
--- a/pkgs/tools/filesystems/irods/common.nix
+++ b/pkgs/tools/filesystems/irods/common.nix
@@ -51,6 +51,6 @@ with stdenv;
     homepage = "https://irods.org";
     license = stdenv.lib.licenses.bsd3;
     maintainers = [ stdenv.lib.maintainers.bzizou ];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }