diff --git a/pkgs/development/python-modules/yara-python/default.nix b/pkgs/development/python-modules/yara-python/default.nix
index 8d5892979e1f..e9774ae85dd4 100644
--- a/pkgs/development/python-modules/yara-python/default.nix
+++ b/pkgs/development/python-modules/yara-python/default.nix
@@ -8,7 +8,7 @@
 
 buildPythonPackage rec {
   pname = "yara-python";
-  version = "4.2.0";
+  version = "4.2.3";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
     owner = "VirusTotal";
     repo = "yara-python";
     rev = "v${version}";
-    hash = "sha256-jNxYuIddMzANZoQ0p7BbRrX6ISpaCA7T6j+iS+FOocg=";
+    hash = "sha256-spUQuezQMqaG1hboM0/Gs7siCM6x0b40O+sV7qGGBng=";
   };
 
   buildInputs = [
diff --git a/pkgs/tools/security/yara/default.nix b/pkgs/tools/security/yara/default.nix
index 59647c250e4d..07f36f4892ce 100644
--- a/pkgs/tools/security/yara/default.nix
+++ b/pkgs/tools/security/yara/default.nix
@@ -15,13 +15,13 @@
 
 stdenv.mkDerivation rec {
   pname = "yara";
-  version = "4.2.2";
+  version = "4.2.3";
 
   src = fetchFromGitHub {
     owner = "VirusTotal";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-HWLyDhFQHHmXUaAKp7EZ3ZsXlbwCEoJj4Q0qAtxwN1Y=";
+    hash = "sha256-Ol2btm1A8JdvYrjD0hPtc17A4L9wgr4l30C8VrImVoE=";
   };
 
   nativeBuildInputs = [