diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 0f795940191..64edaccb6f6 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -6082,10 +6082,10 @@ let self = _self // overrides; _self = with self; {
   };
 
   GeoIP = buildPerlPackage rec {
-    name = "Geo-IP-1.45";
+    name = "Geo-IP-1.51";
     src = fetchurl {
       url = "mirror://cpan/authors/id/M/MA/MAXMIND/${name}.tar.gz";
-      sha256 = "0qinkq2br1cjicbgqb5bvrhm73h7f9f4fgc6bjfs5r6x7316bdqf";
+      sha256 = "1fka8fr7fw6sh3xa9glhs1zjg3s2gfkhi7n7da1l2m2wblqj0c0n";
     };
     makeMakerFlags = "LIBS=-L${pkgs.geoip}/lib INC=-I${pkgs.geoip}/include";
     doCheck = false; # seems to access the network