diff --git a/doc/versions.inc b/doc/versions.inc
index dd91b2647d..198bee7662 100644
--- a/doc/versions.inc
+++ b/doc/versions.inc
@@ -70,9 +70,9 @@ $w66= array(
 );
 
 $w64= array(
-    "num"=>"6.4.6",
+    "num"=>"6.4.5",
     "status"=>"Recommended version",
-    "file"=>"boinc_6.4.6_windows_intelx86.exe",
+    "file"=>"boinc_6.4.5_windows_intelx86.exe",
     "date"=>"24 Feb 2009",
     "type"=>"win_new",
 );
@@ -94,9 +94,9 @@ $w66x64= array(
 );
 
 $w64x64= array(
-    "num"=>"6.4.6",
+    "num"=>"6.4.5",
     "status"=>"Recommended version",
-    "file"=>"boinc_6.4.6_windows_x86_64.exe",
+    "file"=>"boinc_6.4.5_windows_x86_64.exe",
     "date"=>"24 Feb 2009",
     "type"=>"win_new",
 );