diff --git a/pkgs/servers/sql/postgresql/ext/ip4r.nix b/pkgs/servers/sql/postgresql/ext/ip4r.nix
index a893811a4567..46456cfd4169 100644
--- a/pkgs/servers/sql/postgresql/ext/ip4r.nix
+++ b/pkgs/servers/sql/postgresql/ext/ip4r.nix
@@ -8,13 +8,13 @@
 
 postgresqlBuildExtension (finalAttrs: {
   pname = "ip4r";
-  version = "2.4.2";
+  version = "2.4.3";
 
   src = fetchFromGitHub {
     owner = "RhodiumToad";
     repo = "ip4r";
     tag = finalAttrs.version;
-    hash = "sha256-3chAD4f4A6VlXVSI0kfC/ANcnFy4vBp4FZpT6QRAueQ=";
+    hash = "sha256-IWGVHd9uc7pCRZL9FMTwSs50rkRwXafjB3Vq72qAonA=";
   };
 
   passthru.tests = {