diff --git a/pkgs/applications/science/biology/snpeff/default.nix b/pkgs/applications/science/biology/snpeff/default.nix
index 9c2d273b0881..dc2246903349 100644
--- a/pkgs/applications/science/biology/snpeff/default.nix
+++ b/pkgs/applications/science/biology/snpeff/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "snpeff-${version}";
-  version = "4.3q";
+  version = "4.3t";
 
   src = fetchurl {
-    url = "mirror://sourceforge/project/snpeff/snpEff_v4_3q_core.zip";
-    sha256 = "0sxz8zy8wrzcy01hyb1cirwbxqyjw30a2x3q6p4l7zmw2szi7mn1";
+    url = "mirror://sourceforge/project/snpeff/snpEff_v${builtins.replaceStrings [ "." ] [ "_" ] version}_core.zip";
+    sha256 = "0i12mv93bfv8xjwc3rs2x73d6hkvi7kgbbbx3ry984l3ly4p6nnm";
   };
 
   buildInputs = [ unzip jre makeWrapper ];