diff --git a/.gitignore b/.gitignore
index f144235..d093722 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /zmap-2.1.0.tar.gz
 /zmap-2.1.1.tar.gz
 /zmap-3.0.0.tar.gz
+/zmap-4.2.0.tar.gz
diff --git a/sources b/sources
index c6f2a96..01a4317 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zmap-3.0.0.tar.gz) = 3ea4d0e4052c2e4ab303f1ac8c35339bd3e282993b7bbd6b75d2a039df934e57f4d93883b5034c5d25e3f8b2e81f3a036cf1bf1fb2ad6620afa6f7fd3366b0f1
+SHA512 (zmap-4.2.0.tar.gz) = 97995626a0c7b0f0138095fea0f4d484d361a40db1e71bfa853062d4320bc83049d4fb30f87e648de2dfcc6c6ac6e0da28214507718584c25f1a6063715aa23c
diff --git a/zmap.spec b/zmap.spec
index 2c8d680..0e0f5a4 100644
--- a/zmap.spec
+++ b/zmap.spec
@@ -3,21 +3,22 @@
 %bcond_without  debug
 
 Name:           zmap
-Version:        3.0.0
+Version:        4.2.0
 Release:        %autorelease
 Summary:        Network scanner for Internet-wide network studies
 License:        ASL 2.0
 URL:            https://zmap.io
 Source0:        https://github.com/%{name}/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
-BuildRequires:  gcc
 BuildRequires:  byacc
 BuildRequires:  cmake
 BuildRequires:  flex
+BuildRequires:  gcc
 BuildRequires:  gengetopt
 BuildRequires:  gmp-devel
-BuildRequires:  libunistring-devel
 BuildRequires:  json-c-devel
+BuildRequires:  Judy-devel
 BuildRequires:  libpcap-devel
+BuildRequires:  libunistring-devel
 
 %description
 ZMap is an open-source network scanner that enables researchers to easily