diff --git a/pkgs/applications/science/logic/z3/default.nix b/pkgs/applications/science/logic/z3/default.nix
index 5eda2da6056..54c9799a01b 100644
--- a/pkgs/applications/science/logic/z3/default.nix
+++ b/pkgs/applications/science/logic/z3/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "z3-${version}";
-  version = "4.6.0";
+  version = "4.7.1";
 
   src = fetchFromGitHub {
     owner  = "Z3Prover";
     repo   = "z3";
-    rev    = "b0aaa4c6d7a739eb5e8e56a73e0486df46483222";
-    sha256 = "1cgwlmjdbf4rsv2rriqi2sdpz9qxihxrcpm6a4s37ijy437xg78l";
+    rev    = "3b1b82bef05a1b5fd69ece79c80a95fb6d72a990";
+    sha256 = "1s850r6qifwl83zzgvrb5l0jigvmymzpv18ph71hg2bcpk7kjw3d";
   };
 
   buildInputs = [ python fixDarwinDylibNames ];